[MacPorts] #44734: grsync updated to 2.1.5

[MacPorts]

#44734: grsync updated to 2.1.5
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 Reporter:  mschamschula@…       |      Owner:  macports-tickets@…
     Type:  update               |     Status:  new
 Priority:  Normal               |  Milestone:
Component:  ports                |    Version:  2.3.1
 Keywords:  haspatch maintainer  |       Port:  grsync
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 I've updated grsync to version 2.1.5, and added livecheck.

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Ticket URL: <https://trac.macports.org/ticket/44734>
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