[MacPorts] #45254: mlt: upgrade to v0.9.2

[MacPorts]

#45254: mlt: upgrade to v0.9.2
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 Reporter:  dan@…                 |      Owner:  macports-tickets@…
     Type:  update                |     Status:  new
 Priority:  Normal                |  Milestone:
Component:  ports                 |    Version:  2.3.1
 Keywords:  maintainer, haspatch  |       Port:  mlt
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Ticket URL: <https://trac.macports.org/ticket/45254>
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