[MacPorts] #57643: pulseaudio: Examine gtk3 dependency

[MacPorts]

#57643: pulseaudio: Examine gtk3 dependency
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  Reporter:  ryandesign  |      Owner:  Ionic
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  pulseaudio  |
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Comment (by Ionic):

 The only thing still using `gtk3` within PulseAudio is a `gtk-test`
 utility.


 I'll make it a `build` dependency (`test` wouldn't be appropriate).

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Ticket URL: <https://trac.macports.org/ticket/57643#comment:2>
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