[MacPorts] #48798: liboop @1.0: build fails with readline 6.3

[MacPorts]

#48798: liboop @1.0: build fails with readline 6.3
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  Reporter:  greeneg@…  |      Owner:  ryandesign@…
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.3.3
Resolution:             |   Keywords:
      Port:  liboop     |
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Comment (by ryandesign@…):

 No new distfile has been released, but they have
 [https://git.lysator.liu.se/liboop/liboop/commit/6fafe8f4b517e3c7445f5dab648fbaec5a05ba3c
 fixed this problem] in their repository, so we can use that patch.

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Ticket URL: <https://trac.macports.org/ticket/48798#comment:3>
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