Apparently nobody tried to compile libcrypto with ZLI since Jan 2022.
Maybe this means that we can unifdef -U ZLIB or maybe not...
-/* $OpenBSD: c_zlib.c,v 1.25 2022/12/26 07:18:51 jmc Exp $ */
+/* $OpenBSD: c_zlib.c,v 1.26 2023/04/17 13:18:00 tb Exp $ */
/*
* ---------------------------------------------------------------------------
* Major patches to this file were contributed by
#include <openssl/comp.h>
#include <openssl/err.h>
+#include "bio_local.h"
#include "comp_local.h"
COMP_METHOD *COMP_zlib(void );