--- a/jdk/src/share/classes/com/sun/media/sound/ModelSource.java	Fri Mar 29 10:01:19 2013 -0700
+++ b/jdk/src/share/classes/com/sun/media/sound/ModelSource.java	Fri Mar 29 22:07:56 2013 +0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -30,7 +30,7 @@
  *
  * @author Karl Helgason
  */
-public class ModelSource {
+public final class ModelSource {
 
     public static final ModelIdentifier SOURCE_NONE = null;
     public static final ModelIdentifier SOURCE_NOTEON_KEYNUMBER =