batman-adv: separate ethernet comparing calls from hash functions

Note: The function compare_ether_addr() provided by the Linux kernel
requires aligned memory.

Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>

net/batman-adv/main.c

@@ -161,7 +161,7 @@ int is_my_mac(uint8_t *addr)
 		if (batman_if->if_status != IF_ACTIVE)
 			continue;
 
-		if (compare_orig(batman_if->net_dev->dev_addr, addr)) {
+		if (compare_eth(batman_if->net_dev->dev_addr, addr)) {
 			rcu_read_unlock();
 			return 1;
 		}