PIT Regtest sun/net/InetAddress/nameservice/dns/cname.sh fails due to generics

Reg test sun/net/InetAddress/nameservice/dns/cname.sh fails to compile due to generification. This test passes when run against build 49. The failure is :

----------System.err:(6/333)*----------
D:\\kanishk\\testsuites\\regression\\sun\\net\\InetAddress\\nameservice\\dns\\CanonicalName.java:18: cannot find symbol
symbol : constructor InitialDirContext(java.util.Properties)
location: class javax.naming.directory.InitialDirContext
        DirContext ctx = new InitialDirContext(env);
                         ^
1 error
result: Failed. Compilation failed


test result: Failed. Compilation failed