[MacPorts] #39005: privoxy: upgrade to 3.0.21

[MacPorts]

#39005: privoxy: upgrade to 3.0.21
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  Reporter:  mr-macports@…  |      Owner:  macports-tickets@…
      Type:  update         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  ports          |    Version:
Resolution:                 |   Keywords:
      Port:  privoxy        |
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Comment (by ryandesign@…):

 Fixed livecheck in r105947.

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Ticket URL: <https://trac.macports.org/ticket/39005#comment:3>
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