nl80211: fix STA AID bug

This fixes the STA AID setting and actually makes hostapd/mac80211
work properly in presence of power-saving stations.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index e3a214f..f68a5c8 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -945,7 +945,7 @@
 		nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
 	params.listen_interval =
 		nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
-	params.listen_interval = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+	params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
 
 	if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
 				&params.station_flags))