add 2009 copyright
diff --git a/src/libFLAC/window.c b/src/libFLAC/window.c
index 3310189..5776f8e 100644
--- a/src/libFLAC/window.c
+++ b/src/libFLAC/window.c
@@ -1,5 +1,5 @@
 /* libFLAC - Free Lossless Audio Codec library
- * Copyright (C) 2006,2007,2008  Josh Coalson
+ * Copyright (C) 2006,2007,2008,2009  Josh Coalson
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions