cfg80211: fix refcount imbalance when wext is disabled

When CONFIG_CFG80211_WEXT is not set, there is
a refcount imbalance with rdev->opencount, fix
that by moving it out of the ifdef.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/wireless/core.c

@@ -745,9 +745,9 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 			mutex_unlock(&rdev->devlist_mtx);
 			dev_put(dev);
 		}
-#ifdef CONFIG_CFG80211_WEXT
 		cfg80211_lock_rdev(rdev);
 		mutex_lock(&rdev->devlist_mtx);
+#ifdef CONFIG_CFG80211_WEXT
 		wdev_lock(wdev);
 		switch (wdev->iftype) {
 		case NL80211_IFTYPE_ADHOC:
@@ -760,10 +760,10 @@ static int cfg80211_netdev_notifier_call(struct notifier_block * nb,
 			break;
 		}
 		wdev_unlock(wdev);
+#endif
 		rdev->opencount++;
 		mutex_unlock(&rdev->devlist_mtx);
 		cfg80211_unlock_rdev(rdev);
-#endif
 		break;
 	case NETDEV_UNREGISTER:
 		/*