[MacPorts] #29348: pngpp @0.2.3_1 fail to build other software with latest version libpng @1.4.7

[MacPorts]

#29348: pngpp @0.2.3_1 fail to build other software with latest version libpng
@1.4.7
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 Reporter:  macports@…                |       Owner:  sfiera@…           
     Type:  defect                    |      Status:  new                
 Priority:  Normal                    |   Milestone:                     
Component:  ports                     |     Version:  1.9.2              
 Keywords:                            |        Port:  pngpp              
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Comment(by jmr@…):

 Updating to 0.2.5 would probably be a good start.

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Ticket URL: <https://trac.macports.org/ticket/29348#comment:2>
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