[MacPorts] #47237: gajim: update to version 0.16.1, use python27

[MacPorts]

#47237: gajim: update to version 0.16.1, use python27
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  Reporter:  devans@…  |      Owner:  rene@…
      Type:  defect    |     Status:  new
  Priority:  Normal    |  Milestone:
 Component:  ports     |    Version:
Resolution:            |   Keywords:
      Port:  gajim     |
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Comment (by devans@…):

 Build fixed by switching to python27 in r139161 along with other cleanups.
 Did not update the version because fetches from the gajim site are failing
 due to a questionable/unverifiable security certificate.  Needs further
 investigation. Current version is 0.16.3.

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Ticket URL: <https://trac.macports.org/ticket/47237#comment:1>
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