headers: update copyright

API New Year

Change-Id: I569d5bb88fefbcc0cf312f8433d94deadc12698e
Tuleap: #223
diff --git a/smartlist.h b/smartlist.h
index 7636a68..d31accd 100644
--- a/smartlist.h
+++ b/smartlist.h
@@ -1,5 +1,5 @@
 /***************************************************************************
- * Copyright (C) 2015 by Savoir-faire Linux                                *
+ * Copyright (C) 2015-2016 by Savoir-faire Linux                                *
  * Author: Jäger Nicolas <nicolas.jager@savoirfairelinux.com>              *
  *                                                                         *
  * This program is free software; you can redistribute it and/or modify    *