--- old/src/share/classes/javax/swing/SpringLayout.java	2014-01-23 22:45:04.000000000 -0800
+++ new/src/share/classes/javax/swing/SpringLayout.java	2014-01-23 22:45:04.000000000 -0800
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2014, 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
@@ -184,6 +184,7 @@
  * @author      Joe Winchester
  * @since       1.4
  */
+@SuppressWarnings("serial") // Same-version serialization only
 public class SpringLayout implements LayoutManager2 {
     private Map<Component, Constraints> componentConstraints = new HashMap<Component, Constraints>();