virtio_net: remove forgotten assignment

This is no longer needed. I missed to remove this in
567ec874d15b478c8eda7e9a5d2dcb05f13f1fb5 ("net: convert multiple
drivers to use netdev_for_each_mc_addr, part6")

Signed-off-by: Jiri Pirko <jpirko@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/virtio_net.c

@@ -775,7 +775,6 @@ static void virtnet_set_rx_mode(struct net_device *dev)
 	mac_data = (void *)&mac_data->macs[uc_count][0];
 
 	mac_data->entries = mc_count;
-	addr = dev->mc_list;
 	i = 0;
 	netdev_for_each_mc_addr(addr, dev)
 		memcpy(&mac_data->macs[i++][0], addr->da_addr, ETH_ALEN);