$OpenBSD: patch-source_fitz_load-png_c,v 1.1 2018/04/23 11:55:54 sthen Exp $

Index: source/fitz/load-png.c
--- source/fitz/load-png.c.orig
+++ source/fitz/load-png.c
@@ -1,5 +1,6 @@
 #include "mupdf/fitz.h"
 
+#include <sys/limits.h>
 #include <zlib.h>
 
 #include <limits.h>
