[MacPorts] #69455: poppler fails to build on 10.13

[MacPorts]

#69455: poppler fails to build on 10.13
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  Reporter:  lukaso   |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  poppler  |
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Comment (by lukaso):

 This commit broke it: https://github.com/macports/macports-
 ports/commit/142b7c618ed6b7f718b2ab9e0884b6332c4d93ed#diff-
 2642cb8a27c365670f042f4ffa3e660d6cb94dbb5d4c01f1e5736fbbc92adea9

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Ticket URL: <https://trac.macports.org/ticket/69455#comment:2>
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