From f9785629e06e57a6b4349719a405bdcd7af2929a Mon Sep 17 00:00:00 2001
From: David Given <dg@cowlark.com>
Date: Sun, 17 Jul 2022 13:01:11 +0200
Subject: [PATCH] Add a binary flag.

---
 util/opt/cleanup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/util/opt/cleanup.c b/util/opt/cleanup.c
index 3ac39c53d..f82cdc1c1 100644
--- a/util/opt/cleanup.c
+++ b/util/opt/cleanup.c
@@ -31,7 +31,7 @@ void cleanup(void)
 	c = fclose(outfile);
 	assert(c != EOF);
 	outfile = stdout;
-	infile = fopen(tempname, "r");
+	infile = fopen(tempname, "rb");
 	if (infile == NULL)
 		error("temp file disappeared");
 	outshort(sp_magic);