[MacPorts] #63264: libnotify @0.7.9_0: "image not found" when building docs on 1st install

[MacPorts]

#63264: libnotify @0.7.9_0: "image not found" when building docs on 1st install
-------------------------+--------------------
  Reporter:  evanmiller  |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.1
Resolution:              |   Keywords:
      Port:  libnotify   |
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Changes (by evanmiller):

 * Attachment "original-libnotify-main.log" added.

 Complete installation log

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Ticket URL: <https://trac.macports.org/ticket/63264>
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