fix leak, show error message also on the client side, if we can't fork a new client thread
fix leak, show error message also on the client side, if we can't fork a new client thread

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