Update copyright years to include 2014.
diff --git a/COPYING.Xiph b/COPYING.Xiph
index 6b9c2ff..c0361fd 100644
--- a/COPYING.Xiph
+++ b/COPYING.Xiph
@@ -1,5 +1,5 @@
 Copyright (C) 2000-2009  Josh Coalson
-Copyright (C) 2011-2013  Xiph.Org Foundation
+Copyright (C) 2011-2014  Xiph.Org Foundation
 
 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions