staging: rtl8188eu: use is_multicast_ether_addr

Use is_multicast_ether_addr instead of IS_MCAST.
By definition the broadcast address is also a multicast address,
so checking for !multicast in the conditional is sufficient.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8188eu/core/rtw_recv.c

@@ -549,7 +549,7 @@ static void count_rx_stats(struct adapter *padapter,
 
 	padapter->mlmepriv.LinkDetectInfo.NumRxOkInPeriod++;
 
-	if (!is_broadcast_ether_addr(pattrib->dst) && !IS_MCAST(pattrib->dst))
+	if (!is_multicast_ether_addr(pattrib->dst))
 		padapter->mlmepriv.LinkDetectInfo.NumRxUnicastOkInPeriod++;
 
 	if (sta)