conversion of KIO::CMD_xxx to literal?

[Leo Savernik]

> > [...]
> >
> > Fine with me, but I have to duplicate the error messages then.
> > KIO::DataSlave is in no way associated with KIO::SlaveBase, so I can't
> > use its default functions there :-(
>
> Then maybe you want to move the messages from SlaveBase to global.*
> (into a new public static method) and use them from both SlaveBase and
> DataSlave.

Very good idea, I'll do that :-)