make sure we actually do start to read from stdin if we have mclient without files or redirects
make sure we actually do start to read from stdin if we have mclient without files or redirects

zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb,zyzyis/monetdb