[MacPorts] #55160: kdenlive fails to build on High Sierra: spectrogram.cpp:244: 81: error: call to 'abs' is ambiguous

[MacPorts]

#55160: kdenlive fails to build on High Sierra: spectrogram.cpp:244: 81: error:
call to 'abs' is ambiguous
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  Reporter:  Polyergic  |      Owner:  mkae
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:
Resolution:             |   Keywords:  highsierra
      Port:  kdenlive   |
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Comment (by jmroot):

 Attached patch should theoretically work; please test.

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Ticket URL: <https://trac.macports.org/ticket/55160#comment:2>
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