mac80211: fixing null qos data frames check for reordering buffer

This patch fixes a wrong condition for null qos data frames, causing us to
drop data frames needed for reordering as well.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 1ccd329..d44c872 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -1972,7 +1972,7 @@
 		goto end_reorder;
 
 	/* null data frames are excluded */
-	if (unlikely(fc & IEEE80211_STYPE_QOS_NULLFUNC))
+	if (unlikely(fc & IEEE80211_STYPE_NULLFUNC))
 		goto end_reorder;
 
 	/* new un-ordered ampdu frame - process it */