[MacPorts] #69999: libstemmer @2.2.0 does not respect sdk version

[MacPorts]

#69999: libstemmer @2.2.0 does not respect sdk version
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  Reporter:  lukaso      |      Owner:  (none)
      Type:  defect      |     Status:  new
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:
Resolution:              |   Keywords:
      Port:  libstemmer  |
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Comment (by lukaso):

 To me, it doesn't feel right to incorrectly set these settings. But being
 pragmatic, I'll put an exception in my check. And still hope this is fixed
 someday.

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Ticket URL: <https://trac.macports.org/ticket/69999#comment:5>
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