[MacPorts] #42093: Neverball 1.5.4_3 build failure

[MacPorts]

#42093: Neverball 1.5.4_3 build failure
----------------------+--------------------------------
 Reporter:  ludwig@…  |      Owner:  macports-tickets@…
     Type:  defect    |     Status:  new
 Priority:  Normal    |  Milestone:
Component:  ports     |    Version:  2.2.1
 Keywords:            |       Port:  neverball
----------------------+--------------------------------
 Neverball 1.5.4_3 fails to build with

 {{{
 share/base_image.c:97:45: warning: implicit declaration of function
 'png_sizeof' [-Wimplicit-function-declaration]
         if (!(bytep = png_malloc(readp, h * png_sizeof(png_bytep))))
                                             ^
 share/base_image.c:97:56: error: unexpected type name 'png_bytep':
 expected expression
         if (!(bytep = png_malloc(readp, h * png_sizeof(png_bytep))))
 }}}

 Full log attached.

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Ticket URL: <https://trac.macports.org/ticket/42093>
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