sc92031: remove bogus unlikely()

Commit 5a0a92e6 mentions len < ETH_ZLEN
is true for ARP packets. This obviously is not unlikely.
Signed-off-by: NCesar Eduardo Barros <cesarb@cesarb.net>
Signed-off-by: NJeff Garzik <jgarzik@redhat.com>

drivers/net/sc92031.c

@@ -972,7 +972,7 @@ static int sc92031_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	skb_copy_and_csum_dev(skb, priv->tx_bufs + entry * TX_BUF_SIZE);
 
 	len = skb->len;
-	if (unlikely(len < ETH_ZLEN)) {
+	if (len < ETH_ZLEN) {
 		memset(priv->tx_bufs + entry * TX_BUF_SIZE + len,
 				0, ETH_ZLEN - len);
 		len = ETH_ZLEN;