Merge pull request #5004 from richardkchapman/build-break

HPCC-9322 Allow active name to be used with ecl-unpublish

Reviewed-by: Gavin Halliday <ghalliday@hpccsystems.com>

esp/services/ws_workunits/ws_workunitsQuerySets.cpp

@@ -1427,7 +1427,7 @@ bool CWsWorkunitsEx::onWUQuerysetQueryAction(IEspContext &context, IEspWUQuerySe
                     break;
                 case CQuerySetQueryActionTypes_Delete:
                     removeNamedQuery(queryset, id);
-                    query = NULL;
+                    query.clear();
                     break;
                 case CQuerySetQueryActionTypes_RemoveAllAliases:
                     removeAliasesFromNamedQuery(queryset, id);