png.patch

--- cnijfilter-source-3.50-1/cnijfilter/src/bjfimage.c	2010-10-12 05:09:22.000000000 +0200
+++ cnijfilter-source-3.50-1/cnijfilter/src/bjfimage.c_patched	2012-09-02 14:34:01.886999162 +0200
@@ -1574,7 +1574,7 @@
 		goto onErr;
 	}
 
-	if (setjmp (png_p->jmpbuf))
+	if (setjmp (png_jmpbuf(png_p)))
 	{
 		png_destroy_read_struct(&png_p, &info_p, (png_infopp)NULL);
 		goto onErr;