[MacPorts] #64206: mod_tile: should put the real prefix into README_MacPorts.md

[MacPorts]

#64206: mod_tile: should put the real prefix into README_MacPorts.md
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  Reporter:  ryandesign  |      Owner:  frankdean
      Type:  defect      |     Status:  assigned
  Priority:  Normal      |  Milestone:
 Component:  ports       |    Version:  2.7.1
Resolution:              |   Keywords:
      Port:  mod_tile    |
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Comment (by frankdean):

 Good idea.  I’ll fix and submit a PR

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Ticket URL: <https://trac.macports.org/ticket/64206#comment:1>
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