[MacPorts] #63978: rkward: Update to latest

[MacPorts]

#63978: rkward: Update to latest
-------------------------+-----------------------------
  Reporter:  ryandesign  |      Owner:  meik.michalke@…
      Type:  update      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  rkward      |
-------------------------+-----------------------------

Comment (by barracuda156):

 Replying to [ticket:63978 ryandesign]:
 > {{{
 > rkward seems to have been updated (port version: 0.6.5, new version:
 0.7.2)
 > }}}

 AFAIU, support for Qt4 was dropped early in 0.7.x, so that has to be
 restored for it to work on old KDE.

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Ticket URL: <https://trac.macports.org/ticket/63978#comment:1>
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