[MacPorts] #28183: pngmeta: error: 'png_IDAT' undeclared

[MacPorts]

#28183: pngmeta: error: 'png_IDAT' undeclared
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 Reporter:  vinc17@…             |       Owner:  macports-tickets@…                   
     Type:  defect               |      Status:  new                                  
 Priority:  Normal               |   Milestone:                                       
Component:  ports                |     Version:  1.9.2                                
 Keywords:  png                  |        Port:  pngmeta                              
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Comment(by ryandesign@…):

 I've committed a small fix to address the issues reported in this ticket
 in r75517. This returns me to experiencing the issues reported in #26263.

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Ticket URL: <https://trac.macports.org/ticket/28183#comment:3>
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