[MacPorts] #53307: Update libvpx to v1.6.1

[MacPorts]

#53307: Update libvpx to v1.6.1
---------------------------+---------------------
  Reporter:  johannkoenig  |      Owner:  dbevans
      Type:  update        |     Status:  closed
  Priority:  Normal        |  Milestone:
 Component:  ports         |    Version:
Resolution:  fixed         |   Keywords:
      Port:  libvpx        |
---------------------------+---------------------
Changes (by dbevans):

 * status:  accepted => closed
 * resolution:   => fixed


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Ticket URL: <https://trac.macports.org/ticket/53307#comment:6>
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