gentoo-overlay/media-gfx/xloadimage/files/xloadimage-4.1-libpng15.patch

--- a/png.c
+++ b/png.c
@@ -75,7 +75,7 @@
 {
   debug(" #error ");
   output_warn( png_ptr, str);
-  longjmp(png_ptr->jmpbuf, 1);	/* return control to outer routine */
+  longjmp(png_jmpbuf(png_ptr), 1);	/* return control to outer routine */
 }
 
 
@@ -164,7 +164,7 @@
     png_destroy_read_struct(png_pp, info_pp, end_pp);
     return 0;
   }
-  if (setjmp((*png_pp)->jmpbuf)) {
+  if (setjmp(png_jmpbuf(*png_pp))) {
     /* On error */
     png_destroy_read_struct(png_pp, info_pp, end_pp);
     return 0;
@@ -220,7 +220,7 @@
     zclose(zinput_file);
     return 0;
   }
-  if (setjmp(png_ptr->jmpbuf)) {
+  if (setjmp(png_jmpbuf(png_ptr))) {
     /* On error */
     freeImage(image);
     png_destroy_read_struct(&png_ptr, &info_ptr, &end_info);