Bulk update copyright dates
diff --git a/src/libFLAC/metadata_object.c b/src/libFLAC/metadata_object.c
index 4d7db00..93bf68b 100644
--- a/src/libFLAC/metadata_object.c
+++ b/src/libFLAC/metadata_object.c
@@ -1,6 +1,6 @@
 /* libFLAC - Free Lossless Audio Codec library
  * Copyright (C) 2001-2009  Josh Coalson
- * Copyright (C) 2011-2014  Xiph.Org Foundation
+ * Copyright (C) 2011-2016  Xiph.Org Foundation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions