[MacPorts] #57679: libodfgen: Update to 0.1.7

[MacPorts]

#57679: libodfgen: Update to 0.1.7
-------------------------+----------------------
  Reporter:  ryandesign  |      Owner:  RJVB
      Type:  update      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:  haspatch
      Port:  libodfgen   |
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Comment (by ryandesign):

 Ok. There's no need to be concerned with that implementation detail. The
 portgroup will handle it correctly when included on any system. We want
 ports that require C++11 to include the portgroup unconditionally, as an
 indication of that requirement.

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Ticket URL: <https://trac.macports.org/ticket/57679#comment:3>
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