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/distributed-arp-table.c b/net/batman-adv/distributed-arp-table.c
index 1d214cd..edee504 100644
--- a/net/batman-adv/distributed-arp-table.c
+++ b/net/batman-adv/distributed-arp-table.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2011-2013 B.A.T.M.A.N. contributors:
+/* Copyright (C) 2011-2014 B.A.T.M.A.N. contributors:
  *
  * Antonio Quartulli
  *