[MacPorts] #35940: doxygen: update to 1.8.3

[MacPorts]

#35940: doxygen: update to 1.8.3
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  Reporter:  ryandesign@…  |      Owner:  css@…
      Type:  update        |     Status:  assigned
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:                |   Keywords:
      Port:  doxygen       |
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Comment (by mmoll@…):

 Updated the patch.

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Ticket URL: <https://trac.macports.org/ticket/35940#comment:6>
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