qcacld-3.0: Return correct status for buffered cmd

Return correct status for buffered iwpriv command

Change-Id: I0030a7f639678da9955a461251d61312414f5010
CRs-Fixed: 3496366

core/sme/src/qos/sme_qos.c

@@ -1914,6 +1914,7 @@ static enum sme_qos_statustype sme_qos_internal_release_req(struct mac_context *
 			if (QDF_IS_STATUS_SUCCESS(hstatus)) {
 				sme_debug("Buffered release request for flow = %d",
 					  QosFlowID);
+				return SME_QOS_STATUS_RELEASE_REQ_PENDING_RSP;
 			}
 		}
 		return SME_QOS_STATUS_RELEASE_INVALID_PARAMS_RSP;