[MacPorts] #53167: libupnp @1.6.20: update to 1.6.21

[MacPorts]

#53167: libupnp @1.6.20: update to 1.6.21
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  Reporter:  l2dy     |      Owner:  ctreleaven
      Type:  update   |     Status:  assigned
  Priority:  High     |  Milestone:
 Component:  ports    |    Version:
Resolution:           |   Keywords:
      Port:  libupnp  |
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Changes (by ctreleaven):

 * owner:   => ctreleaven
 * status:  new => assigned
 * cc: ctreleaven@… (removed)


Comment:

 I'm still not up and running with git.  Hopefully in the next couple of
 weeks.  If anyone else wants to handle this in the meantime, please do.

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Ticket URL: <https://trac.macports.org/ticket/53167#comment:1>
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