bridge: use is_multicast_ether_addr

Use existing inline function.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/bridge/br_device.c

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 5b8a6e7..8259940 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -36,7 +36,7 @@
 	skb_reset_mac_header(skb);
 	skb_pull(skb, ETH_HLEN);
 
-	if (dest[0] & 1) {
+	if (is_multicast_ether_addr(dest)) {
 		if (br_multicast_rcv(br, NULL, skb))
 			goto out;