[MacPorts] #58670: "port upgrade outdated" ffmpeg build fails

[MacPorts]

#58670: "port upgrade outdated" ffmpeg build fails
---------------------------+--------------------
  Reporter:  FabulousPhil  |      Owner:  (none)
      Type:  defect        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  2.5.4
Resolution:                |   Keywords:  ffmpeg
      Port:  ffmpeg        |
---------------------------+--------------------

Comment (by mf2k):

 In the future, please use WikiFormatting and add the port maintainer(s) to
 Cc ({{{port info --maintainers ffmpeg}}}), if any.

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Ticket URL: <https://trac.macports.org/ticket/58670#comment:1>
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