wifi: mac80211: tx: clarify conditions in if statement

This really just reformats the statement, but makes it
more readable.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

net/mac80211/tx.c

@@ -2855,7 +2855,8 @@ static struct sk_buff *ieee80211_build_hdr(struct ieee80211_sub_if_data *sdata,
 		goto free;
 	}
 
-	if (unlikely(!multicast && ((skb->sk &&
+	if (unlikely(!multicast &&
+		     ((skb->sk &&
 		       skb_shinfo(skb)->tx_flags & SKBTX_WIFI_STATUS) ||
 		      ctrl_flags & IEEE80211_TX_CTL_REQ_TX_STATUS)))
 		info_id = ieee80211_store_ack_skb(local, skb, &info_flags,