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

cope with old zlib

Index: source/fitz/compress.c
--- source/fitz/compress.c.orig
+++ source/fitz/compress.c
@@ -1,5 +1,6 @@
 #include "mupdf/fitz.h"
 
+#include <sys/limits.h>
 #include <zlib.h>
 
 #include <limits.h>
@@ -38,6 +39,7 @@ void fz_deflate(fz_context *ctx, unsigned char *dest, 
 
 	stream.next_out = dest;
 	stream.avail_out = 0;
+#define z_const
 	stream.next_in = (z_const Bytef *)source;
 	stream.avail_in = 0;
 
