[MacPorts] #20805: xruskb: update to latest version

[MacPorts]

#20805: xruskb: update to latest version
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  Reporter:  ryandesign@…  |      Owner:  jc@…
      Type:  update        |     Status:  new
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:  1.7.1
Resolution:                |   Keywords:
      Port:  xruskb        |
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Comment (by jmr@…):

 http://lav.yar.ru/programs.html also says "Due to wide XKB extension
 adoption it is no longer needed."

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Ticket URL: <https://trac.macports.org/ticket/20805#comment:3>
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