[IEEE80211] ipw2200: Simplify multicast checks.

From: Stephen Hemminger <shemminger@osdl.org>

is_multicast_ether_addr() accepts broadcast too, so the
is_broadcast_ether_addr() calls are redundant.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ieee80211/ieee80211_rx.c b/net/ieee80211/ieee80211_rx.c
index 03efaac..4cc6f41 100644
--- a/net/ieee80211/ieee80211_rx.c
+++ b/net/ieee80211/ieee80211_rx.c
@@ -410,9 +410,8 @@
 		return 1;
 	}
 
-	if ((is_multicast_ether_addr(hdr->addr1) ||
-	     is_broadcast_ether_addr(hdr->addr2)) ? ieee->host_mc_decrypt :
-	    ieee->host_decrypt) {
+	if (is_multicast_ether_addr(hdr->addr1)
+	    ? ieee->host_mc_decrypt : ieee->host_decrypt) {
 		int idx = 0;
 		if (skb->len >= hdrlen + 3)
 			idx = skb->data[hdrlen + 3] >> 6;