--- old/src/share/classes/com/sun/security/auth/UnixNumericGroupPrincipal.java	2013-02-21 17:46:46.784649366 +0000
+++ new/src/share/classes/com/sun/security/auth/UnixNumericGroupPrincipal.java	2013-02-21 17:46:46.488649373 +0000
@@ -41,6 +41,7 @@
  * @see java.security.Principal
  * @see javax.security.auth.Subject
  */
+@jdk.Supported
 public class UnixNumericGroupPrincipal implements
                                         Principal,
                                         java.io.Serializable {