[MacPorts] #46045: Updated cmus Portfile: enable more features as variants

[MacPorts]

#46045: Updated cmus Portfile: enable more features as variants
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  Reporter:  piergiuseppe.fogli@…  |      Owner:  g5pw@…
      Type:  enhancement           |     Status:  new
  Priority:  Normal                |  Milestone:
 Component:  ports                 |    Version:
Resolution:                        |   Keywords:  haspatch
      Port:  cmus                  |
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Comment (by g5pw@…):

 I'm OK with merging the patch, I only have one question: what variants
 should we enable by default?

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Ticket URL: <https://trac.macports.org/ticket/46045#comment:2>
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