[MacPorts] #58678: xorg-server @1.20.5_0: upgrade fails with "mkfontdir not registered as installed & active"

[MacPorts]

#58678: xorg-server @1.20.5_0: upgrade fails with "mkfontdir not registered as
installed & active"
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  Reporter:  dliessi      |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  xorg-server  |
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Comment (by dliessi):

 Sorry, I forgot to say that I'm running MacPorts 2.5.4 on OS X 10.11.6 (El
 Capitan).

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Ticket URL: <https://trac.macports.org/ticket/58678#comment:1>
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