[PATCH] po: Update German translation.

[Julian Rüger]

Am Montag, den 10.02.2020, 20:21 +0100 schrieb pelzflorian (Florian
Pelz):
> > […]
> >  #: version.rc:37
> >  msgid "OLE DB Provider(s)"
> > -msgstr ""
> > +msgstr "OLE DB-Anbieter"
>
> Official orthography would require hyphens (“Durchkopplung”).
>

I looked up how Microsoft calls this and adopted it. Feel free to change
if you think it matters. :)