Minor Javadoc issue for SerialStruct and SerialRef

Need to make the following updates to the javadocs for SerialStruct & SerialRef


hg diff
diff -r b4742d038100 src/share/classes/javax/sql/rowset/serial/SerialRef.java
--- a/src/share/classes/javax/sql/rowset/serial/SerialRef.java Tue May 28 15:22:30 2013 +0200
+++ b/src/share/classes/javax/sql/rowset/serial/SerialRef.java Thu Jun 06 16:01:07 2013 -0400
@@ -202,7 +202,7 @@
     }
 
     /**
- * Returns a clone of this {@code SerialRef}. .
+ * Returns a clone of this {@code SerialRef}.
      * The underlying {@code Ref} object will be set to null.
      *
      * @return a clone of this SerialRef
diff -r b4742d038100 src/share/classes/javax/sql/rowset/serial/SerialStruct.java
--- a/src/share/classes/javax/sql/rowset/serial/SerialStruct.java Tue May 28 15:22:30 2013 +0200
+++ b/src/share/classes/javax/sql/rowset/serial/SerialStruct.java Thu Jun 06 16:01:07 2013 -0400
@@ -87,6 +87,7 @@
      * object for custom mapping the SQL structured type or any of its
      * attributes that are SQL structured types.
      *
+ * @param in an instance of {@code Struct}