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

[MacPorts]

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

Comment (by dbevans):

 In [changeset:"efe2374945a116985348efb9efbe05a1dace6fde/macports-ports"
 efe2374/macports-ports]:
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="efe2374945a116985348efb9efbe05a1dace6fde"
 libvpx: update to version 1.6.1

  * generic build for 10.5 and earlier under investigation

 See: https://trac.macports.org/ticket/53307
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53307#comment:5>
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