batman-adv: update copyright years for 2014

Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
diff --git a/net/batman-adv/network-coding.c b/net/batman-adv/network-coding.c
index 6a0b328..f1b604d 100644
--- a/net/batman-adv/network-coding.c
+++ b/net/batman-adv/network-coding.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2012-2013 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2012-2014 B.A.T.M.A.N. contributors:
  *
  * Martin Hundebøll, Jeppe Ledet-Pedersen
  *