x11/gnustep-gui does not build with recent png

[Erik Bertelsen <bertelsen.erik%gmail.com@localhost>]

pkgsrc update as of a few hours ago:

===> Building for gnustep-gui-0.16.0nb4
This is gnustep-make 2.0.8. Type 'make print-gnustep-make-help' for help.
Making all in Source...
/usr/pkg/share/GNUstep/Makefiles/mkinstalldirs .
mv ../Headers/Additions/GNUstepGUI/config.h .
touch ./config.h
Making all for library libgnustep-gui...
 Compiling file Functions.m ...
 Compiling file NSActionCell.m ...
 Compiling file NSAffineTransform.m ...
 Compiling file NSAlert.m ...
 Compiling file NSAnimation.m ...
 Compiling file NSApplication.m ...
 Compiling file NSArrayController.m ...
 Compiling file NSAttributedString.m ...
 Compiling file NSBezierPath.m ...
 Compiling file NSBitmapImageRep.m ...
 Compiling file NSBitmapImageRep+GIF.m ...
 Compiling file NSBitmapImageRep+ICNS.m ...
 Compiling file NSBitmapImageRep+JPEG.m ...
 Compiling file NSBitmapImageRep+PNG.m ...
NSBitmapImageRep+PNG.m: In function '-[NSBitmapImageRep(PNG) _initBitmapFromPNG:]':
NSBitmapImageRep+PNG.m:228: error: dereferencing pointer to incomplete type
gmake[2]: *** [obj/NSBitmapImageRep+PNG.m.o] Error 1
gmake[1]: *** [libgnustep-gui.all.library.variables] Error 2
gmake: *** [internal-all] Error 2
*** Error code 2

Stop.
make: stopped in /home/NetBSD/pkgsrc/x11/gnustep-gui
*** Error code 1

Stop.
make: stopped in /home/NetBSD/pkgsrc/x11/gnustep-gui
*** Error code 1

Stop.
make: stopped in /home/NetBSD/pkgsrc/x11/gnustep-gui


regards
Erik