[MacPorts] #61104: graphviz-2.41.20171026.1811 missing dependency.

[MacPorts]

#61104: graphviz-2.41.20171026.1811 missing dependency.
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  Reporter:  chayward  |      Owner:  (none)
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.6.3
Resolution:            |   Keywords:
      Port:            |
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Comment (by mf2k):

 In the future, please fill in the Port field and add the port
 maintainer(s) to Cc ({{{port info --maintainers graphviz-devel}}}), if
 any.

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Ticket URL: <https://trac.macports.org/ticket/61104#comment:1>
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