[MacPorts] #54203: gdal @2.2.0: broken on non-C++11 setups

[MacPorts]

#54203: gdal @2.2.0: broken on non-C++11 setups
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  Reporter:  mojca   |      Owner:  Veence
      Type:  defect  |     Status:  new
  Priority:  Normal  |  Milestone:
 Component:  ports   |    Version:
Resolution:          |   Keywords:
      Port:  gdal    |
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Comment (by mojca):

 I'm sorry, I didn't know I would manage to fix it so quickly, else I
 wouldn't open an issue here. Here's a PR:
     https://github.com/macports/macports-ports/pull/480

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Ticket URL: <https://trac.macports.org/ticket/54203#comment:1>
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