20192735 ImageMagick should gets its tests to run, with master results
20526097 add ASLR & 64-bit support to ImageMagick
The history of this patch is unknown: it existed when ImageMagick was
migrated to Userland.
--- ImageMagick-6.8.3/coders/png.c.~1~ 2013-02-15 04:48:48.000000000 -0800
+++ ImageMagick-6.8.3/coders/png.c 2015-02-10 20:39:14.131500401 -0800
@@ -100,6 +100,10 @@
#include "png.h"
#include "zlib.h"
+#if PNG_LIBPNG_VER >= 10400
+#define trans_values trans_color
+#define trans trans_alpha
+#endif
/* ImageMagick differences */
#define first_scene scene