batman-adv: switch to a new packet compatibility version

With this change batman-adv is breaking compatibility with
older versions and it is moving to compat-version 15.

Signed-off-by: Simon Wunderlich <siwu@hrz.tu-chemnitz.de>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
diff --git a/net/batman-adv/packet.h b/net/batman-adv/packet.h
index a51ccfc..11a22c8 100644
--- a/net/batman-adv/packet.h
+++ b/net/batman-adv/packet.h
@@ -48,7 +48,7 @@
 };
 
 /* this file is included by batctl which needs these defines */
-#define BATADV_COMPAT_VERSION 14
+#define BATADV_COMPAT_VERSION 15
 
 enum batadv_iv_flags {
 	BATADV_NOT_BEST_NEXT_HOP   = BIT(3),