[MacPorts] #66696: ImageMagick @6.9.11-60_5 does not upgrade on macOS High Sierra, Version 10.13.6, because it wants a graphviz version without variant?

[MacPorts]

#66696: ImageMagick @6.9.11-60_5 does not upgrade on macOS High Sierra, Version
10.13.6, because it wants a graphviz version without variant?
--------------------------+------------------------
  Reporter:  ballapete    |      Owner:  (none)
      Type:  defect       |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:  2.8.0
Resolution:               |   Keywords:  highsierra
      Port:  ImageMagick  |
--------------------------+------------------------

Comment (by ballapete):

 `Graphviz` is correctly installed, no faulty sym-links. The ticket can be
 closed.

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Ticket URL: <https://trac.macports.org/ticket/66696#comment:6>
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