src/share/classes/com/sun/java/swing/plaf/windows/WindowsLookAndFeel.java

@@ -2407,10 +2407,11 @@
         }
     }
 
     // Windows LayoutStyle.  From:
     // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnwue/html/ch14e.asp
+    @SuppressWarnings("fallthrough")
     private class WindowsLayoutStyle extends DefaultLayoutStyle {
         @Override
         public int getPreferredGap(JComponent component1,
                 JComponent component2, ComponentPlacement type, int position,
                 Container parent) {