ath9k: Fix antenna assignment bug in TX status processing

Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath9k/mac.c b/drivers/net/wireless/ath9k/mac.c
index a6c2042..f757bc7 100644
--- a/drivers/net/wireless/ath9k/mac.c
+++ b/drivers/net/wireless/ath9k/mac.c
@@ -285,7 +285,7 @@
 	ds->ds_txstat.ts_shortretry = MS(ads->ds_txstatus1, AR_RTSFailCnt);
 	ds->ds_txstat.ts_longretry = MS(ads->ds_txstatus1, AR_DataFailCnt);
 	ds->ds_txstat.ts_virtcol = MS(ads->ds_txstatus1, AR_VirtRetryCnt);
-	ds->ds_txstat.ts_antenna = 1;
+	ds->ds_txstat.ts_antenna = 0;
 
 	return 0;
 }