From 0488dc2d3050ea1a99ef5cf44afc50ffbf3f1315 Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Mon, 20 Jan 2020 10:32:23 +0100
Subject: [PATCH] Fix building without openssl.

This fixes the following when there are no openssl headers on the system:
ssh-ecdsa-sk.c:34:10: fatal error: 'openssl/bn.h' file not found
---
 ssh-ecdsa-sk.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/ssh-ecdsa-sk.c b/ssh-ecdsa-sk.c
index 083787952..981d60d74 100644
--- a/ssh-ecdsa-sk.c
+++ b/ssh-ecdsa-sk.c
@@ -31,10 +31,12 @@
 
 #include <sys/types.h>
 
+#ifdef WITH_OPENSSL
 #include <openssl/bn.h>
 #include <openssl/ec.h>
 #include <openssl/ecdsa.h>
 #include <openssl/evp.h>
+#endif
 
 #include <string.h>
 #include <stdio.h> /* needed for DEBUG_SK only */