--- /home/tc/downloads/dev_7.x_AceOfPenguins/ace-1.4/ace-1.4/lib/make-imglib.c
+++ /home/tc/downloads/dev_7.x_AceOfPenguins/make-imglib.c_new
@@ -86,7 +86,7 @@
     png_ptr = png_create_read_struct (PNG_LIBPNG_VER_STRING, 0, 0, 0);
     info_ptr = png_create_info_struct (png_ptr);
 
-    if (setjmp (png_ptr->jmpbuf)) {
+    if (setjmp(png_jmpbuf(png_ptr))) {
       fclose (f);
       continue;
     }