[MacPorts] #36183: Update PyQt4 to 4.9.4

[MacPorts]

#36183: Update PyQt4 to 4.9.4
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  Reporter:  robitaille@…  |      Owner:  michaelld@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  py-pyqt4      |
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Comment (by robitaille@…):

 Thanks - since this is quite a complex package, I'd rather leave michaelld
 to update it, since I don't know if there are any issues to look out for.

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Ticket URL: <https://trac.macports.org/ticket/36183#comment:3>
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