[MacPorts] #70788: graphviz won't build on Sonoma

[MacPorts]

#70788: graphviz won't build on Sonoma
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  Reporter:  dnaumann   |      Owner:  (none)
      Type:  defect     |     Status:  closed
  Priority:  High       |  Milestone:
 Component:  ports      |    Version:  2.10.1
Resolution:  duplicate  |   Keywords:
      Port:  graphviz   |
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Comment (by DanielO):

 This also worked for me, I wonder if it can be added as a migration note
 or similar?

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Ticket URL: <https://trac.macports.org/ticket/70788#comment:4>
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