[HB] Update copyright years

src/hb-ot-layout-gdef-private.h

diff --git a/src/hb-ot-layout-gdef-private.h b/src/hb-ot-layout-gdef-private.h
index dc62f3e..1b811dd 100644
--- a/src/hb-ot-layout-gdef-private.h
+++ b/src/hb-ot-layout-gdef-private.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2007,2008  Red Hat, Inc.
+ * Copyright (C) 2007,2008,2009  Red Hat, Inc.
  *
  *  This is part of HarfBuzz, an OpenType Layout engine library.
  *