--- old/src/macosx/classes/java/util/prefs/MacOSXPreferencesFactory.java	2012-05-11 14:36:01.000000000 -0700
+++ new/src/macosx/classes/java/util/prefs/MacOSXPreferencesFactory.java	2012-05-11 14:36:01.000000000 -0700
@@ -26,10 +26,12 @@
 package java.util.prefs;
 
 class MacOSXPreferencesFactory implements PreferencesFactory {
+    @Override
     public Preferences userRoot() {
         return MacOSXPreferences.getUserRoot();
     }
 
+    @Override
     public Preferences systemRoot() {
         return MacOSXPreferences.getSystemRoot();
     }