[MacPorts] #57990: libxml2 @2.9.7_2: ICU include directory not in pkg-config output

[MacPorts]

#57990: libxml2 @2.9.7_2: ICU include directory not in pkg-config output
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  Reporter:  dsedivec  |      Owner:  ryandesign
      Type:  defect    |     Status:  reopened
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:  2.5.4
Resolution:            |   Keywords:
      Port:  libxml2   |
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Comment (by elfprince13):

 Just wanted to bump this and say that the fix actually made things worse
 in terms of the number of files that have problems.

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Ticket URL: <https://trac.macports.org/ticket/57990#comment:13>
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