update copyright date

Change-Id: I33ca01c957d3058c10081555637be835d5cb4446
diff --git a/src/webkitchatcontainer.h b/src/webkitchatcontainer.h
index 1e84b8b..76766c6 100644
--- a/src/webkitchatcontainer.h
+++ b/src/webkitchatcontainer.h
@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2016 Savoir-faire Linux Inc.
+ *  Copyright (C) 2016-2017 Savoir-faire Linux Inc.
  *  Author: Alexandre Viau <alexandre.viau@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify