[MacPorts] #71678: gpredict: Crash with GDK error when closing a window when the render extension is disabled in Xquartz.

[MacPorts]

#71678: gpredict: Crash with GDK error when closing a window when the render
extension is disabled in Xquartz.
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  Reporter:  vk1kcm    |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  gpredict  |
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Comment (by vk1kcm):

 Hmm, not sure I explained this properly.  The crash occurs when you open a
 window/dialog within gpredict, like the "Radio Control" or "Sky at a
 glance" windows.  They open fine, but the whole program crashes when you
 close that windows/dialog.  It doesn't matter if you use the red window
 close button, or a close button within the window/dialog itself.

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Ticket URL: <https://trac.macports.org/ticket/71678#comment:1>
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