staging: wilc1000: No space is necessary after a cast

A space after type casting is not needed. All the other typecasts
in this file don't put space after typecast. so remove space
after typecast at this line.

checked with checkpatch.pl script
Signed-off-by: Keerthi Reddy <keerthigd4990@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/wilc1000/wilc_wfi_cfgoperations.c

@@ -1617,7 +1617,7 @@ static int mgmt_tx(struct wiphy *wiphy,
 
 	*cookie = (unsigned long)buf;
 	priv->u64tx_cookie = *cookie;
-	mgmt = (const struct ieee80211_mgmt *) buf;
+	mgmt = (const struct ieee80211_mgmt *)buf;
 
 	if (ieee80211_is_mgmt(mgmt->frame_control)) {
 		mgmt_tx = kmalloc(sizeof(struct p2p_mgmt_data), GFP_KERNEL);