From 8132d19ab593818a4e0f0aecf0542a595d3fca94 Mon Sep 17 00:00:00 2001
From: Rusty Russell <rusty@rustcorp.com.au>
Date: Fri, 22 Nov 2024 12:28:16 +1030
Subject: [PATCH] configure: make configuration with address sanitizer find
 zlib.

The test program has a leak, so address sanitizer complains and makes it
"fail" the zlib detection test!

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
---
 configure | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/configure b/configure
index 8c97ca5fb..a2902e6c6 100755
--- a/configure
+++ b/configure
@@ -378,7 +378,11 @@ code=
 int main(void)
 {
 	gzFile f = gzopen("/dev/null", "wb");
-	return f != NULL ? 0 : 1;
+	if (f != NULL) {
+		gzclose(f);
+		return 0;
+	}
+	return 1;
 }
 /*END*/
 var=HAVE_GOOD_LIBSODIUM