batman-adv: update copyright years for 2017

Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c
index 9c561e6..42bfbd8 100644
--- a/net/batman-adv/fragmentation.c
+++ b/net/batman-adv/fragmentation.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2013-2016  B.A.T.M.A.N. contributors:
+/* Copyright (C) 2013-2017  B.A.T.M.A.N. contributors:
  *
  * Martin Hundebøll <martin@hundeboll.net>
  *