[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@…):

 I don't understand what the patch is for. It seems like a NULL patch to
 me. :)

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Ticket URL: <https://trac.macports.org/ticket/47064#comment:2>
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