mac80211: fix return from ieee80211_assoc_success

sparse pointed out that I made a mistake converting
the return value of ieee80211_assoc_success to bool,
this place should return false instead of one of the
enum values (which would be true).
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/mlme.c

@@ -1098,7 +1098,7 @@ static bool ieee80211_assoc_success(struct ieee80211_work *wk,
 	if (err) {
 		printk(KERN_DEBUG "%s: failed to insert STA entry for"
 		       " the AP (error %d)\n", sdata->name, err);
-		return RX_MGMT_CFG80211_ASSOC_ERROR;
+		return false;
 	}
 
 	if (elems.wmm_param)