[MacPorts] #54258: colout : update to 0.5

[MacPorts]

#54258: colout : update to 0.5
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  Reporter:  1-61803  |      Owner:  g5pw
      Type:  update   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:  haspatch
      Port:  colout   |
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Comment (by 1-61803):

 > Note that you only need to attach the Portfile diff, not the complete
 Portfile.

 I attach it for completeness, in case anyone wants the Portfile right
 away, instead of waiting for it to be approved, if ever.

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Ticket URL: <https://trac.macports.org/ticket/54258#comment:2>
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