nixpkgs/pkgs/games/eboard/eboard.patch

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--- a/cimg.cc 2014-05-25 02:41:58.000000000 -0500
+++ b/cimg.cc 2014-05-25 02:42:31.000000000 -0500
@@ -94,11 +94,11 @@
ct == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(pngp);
- alloc(pngp->width,pngp->height);
+ alloc(png_get_image_width(pngp, infp),png_get_image_height(pngp, infp));
if (!ok) { fclose(f); return; }
ok = 0;
- for(i=0;i<pngp->height;i++) {
+ for(i=0;i<png_get_image_height(pngp, infp);i++) {
png_read_row(pngp, (png_bytep) (&data[i*rowlen]), NULL);
}