[MacPorts] #47606: qemu @2.2.0_0: Update to 2.3.0

[MacPorts]

#47606: qemu @2.2.0_0: Update to 2.3.0
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  Reporter:  ivo.clarysse@…  |      Owner:  raimue@…
      Type:  update          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  ports           |    Version:  2.3.3
Resolution:                  |   Keywords:  haspatch
      Port:  qemu            |
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Comment (by raimue@…):

 Did you had a chance to test the +gtk2 variant? While it might build now,
 it did not work for me the last time I tried due to assumptions (#ifdef
 blocks) that the output device would always be Cocoa on OS X.

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Ticket URL: <https://trac.macports.org/ticket/47606#comment:2>
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