[MacPorts] #47064: Update port:rkward to version 0.6.3

[MacPorts]

#47064: Update port:rkward to version 0.6.3
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 Reporter:  thomas.friedrichsmeier@…  |      Owner:  macports-tickets@…
     Type:  submission                |     Status:  new
 Priority:  Normal                    |  Milestone:
Component:  ports                     |    Version:  2.3.3
 Keywords:                            |       Port:  rkward
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 Hi Marko,

 here's my diff. Please note that it is not tested, in particular the
 livecheck.url. I'll try to do some testing, later, but I hope most changes
 are obvious enough so that you can easily iron over my errors.

 Seems I can't assign you as owner, but I hope I've put you in CC,
 successfully.

 Again, a summary of the changes:
 - We moved from SF.net to KDE.org, thus changed
    homepage, maintainers (list address), master_sites, livecheck.url
 - Added a patch to correct a problem starting the dbus session bus that we
 discovered after creating the tarball.
 - Not sure, if the pre-activate section is still needed, I did not patch
 that out.

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Ticket URL: <https://trac.macports.org/ticket/47064>
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