Staging: rtl8192u: ieee80211: Fix coding style warning

Remove braces around a single if statement to fix following
checkpatch.pl warning.
WARNING: braces {} are not necessary for single statement blocks
Signed-off-by: NPuranjay Mohan <puranjay12@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192u/ieee80211/ieee80211_rx.c

@@ -2577,9 +2577,8 @@ static inline void ieee80211_process_probe_response(
 	spin_unlock_irqrestore(&ieee->lock, flags);
 	if (is_beacon(beacon->header.frame_ctl)&&is_same_network(&ieee->current_network, network, ieee)&&\
 		(ieee->state == IEEE80211_LINKED)) {
-		if (ieee->handle_beacon != NULL) {
+		if (ieee->handle_beacon != NULL)
 			ieee->handle_beacon(ieee->dev,beacon,&ieee->current_network);
-		}
 	}
 
 out: