--- WindowMaker-0.92.0/wrlib/png.c~	2004-10-12 20:22:04.000000000 +0200
+++ WindowMaker-0.92.0/wrlib/png.c	2012-02-08 17:01:46.922810472 +0100
@@ -97,7 +97,7 @@
     }
 
     RErrorCode = RERR_INTERNAL;
-    if (setjmp(png->jmpbuf)) {
+    if (setjmp(png_jmpbuf(png))) {
         fclose(f);
         png_destroy_read_struct(&png, &pinfo, &einfo);
         if (image)