From 0dc9a8019962d31787c4929d36de6817ae3090e7 Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Wed, 22 May 2019 10:40:02 +0200
Subject: [PATCH] md4: build correctly with openssl without MD4

Reported-by: elsamuko at github
Fixes #3921
Closes #3922
---
 lib/md4.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/md4.c b/lib/md4.c
index e7c77bc36..184985755 100644
--- a/lib/md4.c
+++ b/lib/md4.c
@@ -38,6 +38,10 @@
 
 #include "curl_setup.h"
 
+#ifdef USE_OPENSSL
+#include <openssl/opensslconf.h>
+#endif
+
 /* The NSS, OS/400, and when not included, OpenSSL and mbed TLS crypto
  * libraries do not provide the MD4 hash algorithm, so we use this
  * implementation of it */