[MacPorts] #38707: rainbarf port update to v0.8

[MacPorts]

#38707: rainbarf port update to v0.8
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  Reporter:  stas@…    |      Owner:  creaktive@…
      Type:  update    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  rainbarf  |
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Comment (by stas@…):

 Actually, creaktive at gmail.com is my other address... So I'm the maintainer
 (and the author) of rainbarf.

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Ticket URL: <https://trac.macports.org/ticket/38707#comment:3>
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