[MacPorts] #57650: swig-ruby: Add support for ruby25

[MacPorts]

#57650: swig-ruby: Add support for ruby25
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  Reporter:  mouse07410   |      Owner:  michaelld
      Type:  enhancement  |     Status:  assigned
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  swig-ruby    |
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Comment (by mouse07410):

 > ...and {{{ruby31}}} too now, right?

 Of course. And if we wait a couple of years more - {{{ruby32}}} will
 become obsolete and unnecessary too. ;-)

 I must confess that I haven't used {{{swig-ruby}}} for ages now, so,
 perhaps, I was the last user of this thing - and I'm not using it anymore
 either. ;-)

 Might as well close this ticket, as it probably would never be fixed - and
 nobody would notice. Thanks for its past helpful-ness!

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Ticket URL: <https://trac.macports.org/ticket/57650#comment:7>
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