[MacPorts] #42766: Updates to gtk-mac-bundler

[MacPorts]

#42766: Updates to gtk-mac-bundler
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 Reporter:  gellule.xg@…  |      Owner:  macports-tickets@…
     Type:  update        |     Status:  new
 Priority:  Normal        |  Milestone:
Component:  ports         |    Version:  2.2.1
 Keywords:                |       Port:
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 The attached patch performs the following
 - Use github PortGroup
 - Update version to latest git revision
 - Add openmaintainer

 As I do not have commit rights, could someone review and commit for me?
 Thanks,

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Ticket URL: <https://trac.macports.org/ticket/42766>
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Ports system for OS X