--- old/src/share/classes/com/sun/security/auth/login/ConfigFile.java	2013-02-21 17:46:51.816649251 +0000
+++ new/src/share/classes/com/sun/security/auth/login/ConfigFile.java	2013-02-21 17:46:51.520649258 +0000
@@ -83,6 +83,7 @@
  * @see javax.security.auth.login.LoginContext
  * @see java.security.Security security properties
  */
+@jdk.Supported
 public class ConfigFile extends Configuration {
 
     private sun.security.provider.ConfigSpiFile configFile;