[MacPorts] #71306: gmt5 fails to configure upon latest revbump

[MacPorts]

#71306: gmt5 fails to configure upon latest revbump
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  Reporter:  barracuda156  |      Owner:  remkos
      Type:  defect        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.10.4
Resolution:                |   Keywords:
      Port:  gmt5          |
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Comment (by barracuda156):

 Fails on CI now too: https://github.com/macports/macports-
 ports/actions/runs/11835139400/job/32977303433?pr=26601

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Ticket URL: <https://trac.macports.org/ticket/71306#comment:3>
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