[MacPorts] #40021: gtk-osx-application: add support for gtk3

[MacPorts]

#40021: gtk-osx-application: add support for gtk3
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  Reporter:  devans@…             |      Owner:  elelay@…
      Type:  enhancement          |     Status:  assigned
  Priority:  Normal               |  Milestone:
 Component:  ports                |    Version:  2.2.0
Resolution:                       |   Keywords:
      Port:  gtk-osx-application  |
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Comment (by elelay@…):

 Nice!
 Committed in r109119.

 Thanks

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Ticket URL: <https://trac.macports.org/ticket/40021#comment:7>
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