[MacPorts] #64402: gtk3: build fails with undefined macro HB_VERSION_ATLEAST

[MacPorts]

#64402: gtk3: build fails with undefined macro HB_VERSION_ATLEAST
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  Reporter:  TruePath    |      Owner:  mascguy
      Type:  defect      |     Status:  closed
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.1
Resolution:  worksforme  |   Keywords:  monterey
      Port:  gtk3        |
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Comment (by mascguy):

 No worries, you didn't waste our time. And indeed, it's great to bring
 things like this to our attention!

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Ticket URL: <https://trac.macports.org/ticket/64402#comment:7>
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