batman-adv: Prefix packet defines with BATADV_

Reported-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/vis.c b/net/batman-adv/vis.c
index 7dc7506..596eacc 100644
--- a/net/batman-adv/vis.c
+++ b/net/batman-adv/vis.c
@@ -873,7 +873,7 @@
 	INIT_LIST_HEAD(&bat_priv->my_vis_info->send_list);
 	kref_init(&bat_priv->my_vis_info->refcount);
 	bat_priv->my_vis_info->bat_priv = bat_priv;
-	packet->header.version = COMPAT_VERSION;
+	packet->header.version = BATADV_COMPAT_VERSION;
 	packet->header.packet_type = BAT_VIS;
 	packet->header.ttl = TTL;
 	packet->seqno = 0;