[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:  mk@…
      Type:  submission                |     Status:  new
  Priority:  Normal                    |  Milestone:
 Component:  ports                     |    Version:
Resolution:                            |   Keywords:
      Port:  rkward                    |
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Comment (by MK-MacPorts@…):

 Replying to [comment:6 thomas.friedrichsmeier@…]:
 > Yes, the idea is that you don't have to worry about bringing up the (per
 user) session bus, while the system bus should have been taken care of
 during installation. In our case this was really easy to add, as we
 already have need a wrapper to start up correctly. Yes, if this was built
 into KApplication - trying to start the session bus, if it could not be
 connected to - could clearly eliminate one potential cause of grief, when
 trying to run KDE apps. No idea how KDE on Windows is doing this, but
 their installation can be moved to a different machine entirely without
 worrying about dbus.

 Yes, I think we should discuss this on KDE-MAC.

 BTW, as far as I know the system bus doesn't need to be started anymore
 with the current dbus version.

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Ticket URL: <https://trac.macports.org/ticket/47064#comment:8>
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