[MacPorts] #57007: root6 port results in ambiguous include directories after 6.14

[MacPorts]

#57007: root6 port results in ambiguous include directories after 6.14
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  Reporter:  olupton  |      Owner:  cjones051073
      Type:  defect   |     Status:  closed
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.5.3
Resolution:  fixed    |   Keywords:
      Port:  root6    |
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Comment (by olupton):

 Thanks for committing the workaround, I updated to use it and it now works
 fine out of the box.

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Ticket URL: <https://trac.macports.org/ticket/57007#comment:10>
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