nl8021: Avoid potential memory leak on error path

The called function nl80211_ht_vht_overrides() was not freeing "msg"
resource in error cases.

Signed-off-by: Purushottam Kushwaha <p.kushwaha@samsung.com>

src/drivers/driver_nl80211.c

@@ -4549,8 +4549,9 @@ retry:
 			goto fail;
 	}
 
-	if (nl80211_ht_vht_overrides(msg, params) < 0)
-		return -1;
+	ret = nl80211_ht_vht_overrides(msg, params);
+	if (ret < 0)
+		goto fail;
 
 	ret = send_and_recv_msgs(drv, msg, NULL, NULL);
 	msg = NULL;