[MacPorts] #32094: opencv will not build

[MacPorts]

#32094: opencv will not build
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 Reporter:  trog24@…            |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:                                       
Component:  ports               |     Version:  2.0.3                                
 Keywords:                      |        Port:  opencv                               
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Comment(by ebudda@…):

 Fixed by using 3rd party libpng installer

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Ticket URL: <https://trac.macports.org/ticket/32094#comment:3>
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