--- old/src/share/classes/javax/swing/plaf/synth/SynthTableHeaderUI.java	2014-03-23 13:38:59.000000000 -0700
+++ new/src/share/classes/javax/swing/plaf/synth/SynthTableHeaderUI.java	2014-03-23 13:38:58.000000000 -0700
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2002, 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
@@ -216,6 +216,7 @@
         }
     }
 
+    @SuppressWarnings("serial") // Superclass is not serializable across versions
     private class HeaderRenderer extends DefaultTableCellHeaderRenderer {
         HeaderRenderer() {
             setHorizontalAlignment(JLabel.LEADING);