batman-adv: Prefix gateway defines with BATADV_

Reported-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Sven Eckelmann <sven@narfation.org>
diff --git a/net/batman-adv/gateway_common.h b/net/batman-adv/gateway_common.h
index 6f8a4d0..31bbc3c 100644
--- a/net/batman-adv/gateway_common.h
+++ b/net/batman-adv/gateway_common.h
@@ -26,9 +26,9 @@
 	GW_MODE_SERVER,
 };
 
-#define GW_MODE_OFF_NAME	"off"
-#define GW_MODE_CLIENT_NAME	"client"
-#define GW_MODE_SERVER_NAME	"server"
+#define BATADV_GW_MODE_OFF_NAME	"off"
+#define BATADV_GW_MODE_CLIENT_NAME	"client"
+#define BATADV_GW_MODE_SERVER_NAME	"server"
 
 void batadv_gw_bandwidth_to_kbit(uint8_t gw_class, int *down, int *up);
 ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,