[MacPorts] #24030: mlt: update to upstream version 0.5.2

[MacPorts]

#24030: mlt: update to upstream version 0.5.2
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 Reporter:  dan@…                |       Owner:  ryandesign@…           
     Type:  update               |      Status:  assigned               
 Priority:  Normal               |   Milestone:                         
Component:  ports                |     Version:                         
 Keywords:  haspatch maintainer  |        Port:  mlt                    
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Comment(by ryandesign@…):

 #24075 must be resolved before we can commit this update.

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Ticket URL: <http://trac.macports.org/ticket/24030#comment:3>
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