update submodule ref for common after fixed Linux build
update submodule ref for common after fixed Linux build

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