clean out tidy warnings from security.auth

Warnings reported:

./security/jaas/spec/com/sun/security/auth/X500Principal.html
line 265 column 2 - Warning: trimming empty <p>
line 271 column 41 - Warning: trimming empty <p>
line 295 column 2 - Warning: trimming empty <p>
line 314 column 2 - Warning: trimming empty <p>
line 336 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTSid.html
line 255 column 2 - Warning: trimming empty <p>
line 258 column 50 - Warning: trimming empty <p>
line 284 column 2 - Warning: trimming empty <p>
line 302 column 2 - Warning: trimming empty <p>
line 325 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/PolicyFile.html
line 239 column 50 - Warning: trimming empty <p>
line 430 column 2 - Warning: trimming empty <p>
line 464 column 2 - Warning: trimming empty <p>
line 490 column 2 - Warning: trimming empty <p>
line 497 column 25 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTSidPrimaryGroupPrincipal.html
line 246 column 2 - Warning: trimming empty <p>
line 249 column 73 - Warning: trimming empty <p>
line 274 column 2 - Warning: trimming empty <p>
line 299 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/UnixPrincipal.html
line 245 column 2 - Warning: trimming empty <p>
line 272 column 2 - Warning: trimming empty <p>
line 290 column 2 - Warning: trimming empty <p>
line 313 column 2 - Warning: trimming empty <p>
line 340 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/PrincipalComparator.html
line 188 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTNumericCredential.html
line 221 column 2 - Warning: trimming empty <p>
line 224 column 71 - Warning: trimming empty <p>
line 246 column 2 - Warning: trimming empty <p>
line 263 column 2 - Warning: trimming empty <p>
line 284 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTDomainPrincipal.html
line 250 column 2 - Warning: trimming empty <p>
line 253 column 67 - Warning: trimming empty <p>
line 278 column 2 - Warning: trimming empty <p>
line 297 column 2 - Warning: trimming empty <p>
line 320 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTUserPrincipal.html
line 245 column 2 - Warning: trimming empty <p>
line 248 column 64 - Warning: trimming empty <p>
line 272 column 2 - Warning: trimming empty <p>
line 290 column 2 - Warning: trimming empty <p>
line 313 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTSidDomainPrincipal.html
line 246 column 2 - Warning: trimming empty <p>
line 250 column 33 - Warning: trimming empty <p>
line 274 column 2 - Warning: trimming empty <p>
line 298 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/UnixNumericGroupPrincipal.html
line 277 column 2 - Warning: trimming empty <p>
line 281 column 34 - Warning: trimming empty <p>
line 301 column 2 - Warning: trimming empty <p>
line 305 column 42 - Warning: trimming empty <p>
line 329 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/NTSidGroupPrincipal.html
line 243 column 2 - Warning: trimming empty <p>
line 246 column 65 - Warning: trimming empty <p>
line 270 column 2 - Warning: trimming empty <p>
line 293 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/UnixNumericUserPrincipal.html
line 266 column 2 - Warning: trimming empty <p>
line 286 column 2 - Warning: trimming empty <p>
line 312 column 2 - Warning: trimming empty <p>
line 332 column 2 - Warning: trimming empty <p>
line 350 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/LdapLoginModule.html
line 317 column 27 - Warning: unescaped & which should be written as &amp;
line 326 column 27 - Warning: unescaped & which should be written as &amp;
line 175 column 6 - Warning: trimming empty <dt>
line 201 column 6 - Warning: trimming empty <dt>
line 363 column 6 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/NTLoginModule.html
line 271 column 2 - Warning: trimming empty <p>
line 276 column 74 - Warning: trimming empty <p>
line 281 column 32 - Warning: trimming empty <p>
line 282 column 71 - Warning: trimming empty <p>
line 299 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/SolarisLoginModule.html
line 276 column 2 - Warning: trimming empty <p>
line 281 column 74 - Warning: trimming empty <p>
line 284 column 44 - Warning: trimming empty <p>
line 285 column 71 - Warning: trimming empty <p>
line 307 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/NTSystem.html
line 260 column 2 - Warning: trimming empty <p>
line 276 column 2 - Warning: trimming empty <p>
line 292 column 2 - Warning: trimming empty <p>
line 308 column 2 - Warning: trimming empty <p>
line 324 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/JndiLoginModule.html
line 418 column 2 - Warning: trimming empty <p>
line 423 column 74 - Warning: trimming empty <p>
line 426 column 44 - Warning: trimming empty <p>
line 427 column 71 - Warning: trimming empty <p>
line 445 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/KeyStoreLoginModule.html
line 307 column 2 - Warning: trimming empty <p>
line 312 column 74 - Warning: trimming empty <p>
line 316 column 51 - Warning: trimming empty <p>
line 317 column 71 - Warning: trimming empty <p>
line 337 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/UnixLoginModule.html
line 259 column 2 - Warning: trimming empty <p>
line 264 column 74 - Warning: trimming empty <p>
line 267 column 44 - Warning: trimming empty <p>
line 268 column 71 - Warning: trimming empty <p>
line 289 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/UnixSystem.html
line 318 column 2 - Warning: trimming empty <p>
line 334 column 2 - Warning: trimming empty <p>
line 350 column 2 - Warning: trimming empty <p>
line 366 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/SolarisSystem.html
line 341 column 2 - Warning: trimming empty <p>
line 358 column 2 - Warning: trimming empty <p>
line 375 column 2 - Warning: trimming empty <p>
line 392 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/module/Krb5LoginModule.html
line 326 column 2 - Warning: missing <li>
line 332 column 2 - Warning: missing <li>
line 338 column 2 - Warning: missing <li>
line 343 column 2 - Warning: missing <li>
line 351 column 2 - Warning: missing <li>

./security/jaas/spec/com/sun/security/auth/NTSidUserPrincipal.html
line 242 column 2 - Warning: trimming empty <p>
line 245 column 78 - Warning: trimming empty <p>
line 269 column 2 - Warning: trimming empty <p>
line 292 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/SolarisNumericGroupPrincipal.html
line 292 column 2 - Warning: trimming empty <p>
line 296 column 34 - Warning: trimming empty <p>
line 317 column 2 - Warning: trimming empty <p>
line 321 column 42 - Warning: trimming empty <p>
line 346 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/SolarisNumericUserPrincipal.html
line 280 column 2 - Warning: trimming empty <p>
line 301 column 2 - Warning: trimming empty <p>
line 328 column 2 - Warning: trimming empty <p>
line 349 column 2 - Warning: trimming empty <p>
line 368 column 2 - Warning: trimming empty <p>

./security/jaas/spec/com/sun/security/auth/SolarisPrincipal.html
line 257 column 2 - Warning: trimming empty <p>
line 285 column 2 - Warning: trimming empty <p>
line 304 column 2 - Warning: trimming empty <p>
line 328 column 2 - Warning: trimming empty <p>
line 356 column 2 - Warning: trimming empty <p>

./security/smartcardio/spec/javax/smartcardio/package-summary.html
line 224 column 1 - Warning: trimming empty <p>
line 229 column 1 - Warning: trimming empty <p>
line 237 column 1 - Warning: trimming empty <p>
line 244 column 1 - Warning: trimming empty <p>
line 272 column 1 - Warning: trimming empty <p>