[MacPorts] #54808: poppler @0.57.0: update to 0.64.0

[MacPorts]

#54808: poppler @0.57.0: update to 0.64.0
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  Reporter:  l2dy     |      Owner:  dbevans
      Type:  update   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  poppler  |
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Comment (by pmetzger):

 l2dy: There's one way to figure that out I suppose, which is to check
 them. Regardless, since this is a security issue, I don't think we can
 hold off, we need to push it forward.

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Ticket URL: <https://trac.macports.org/ticket/54808#comment:12>
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