qcacld-3.0: Fix vdev ref leakage

Vdev ref WLAN_OSIF_STATS_ID leaked in corner case, then vdev was failed to
delete, assert happened.

Change-Id: I20b102804d4c3e89be14d89d261996025750be93
CRs-Fixed: 3423850

core/hdd/src/wlan_hdd_stats.c

@@ -2157,6 +2157,7 @@ wlan_hdd_set_station_stats_request_pending(struct hdd_adapter *adapter,
 		status = wlan_hdd_get_mlo_vdev_params(adapter, &info, req);
 		if (QDF_IS_STATUS_ERROR(status)) {
 			hdd_err("unable to get vdev params for mlo stats");
+			hdd_objmgr_put_vdev_by_user(vdev, WLAN_OSIF_STATS_ID);
 			return status;
 		}
 	}