fix cosmetic error as reported in VDB-408
fix cosmetic error as reported in VDB-408

starschema/virtdb-fdw,virtdb/virtdb-fdw,virtdb/virtdb-fdw,dbeck/virtdb-fdw,starschema/virtdb-fdw,starschema/virtdb-fdw,virtdb/virtdb-fdw,starschema/virtdb-fdw,dbeck/virtdb-fdw,dbeck/virtdb-fdw,dbeck/virtdb-fdw,virtdb/virtdb-fdw