From b3f7009c9ffa5891283ed96e043001e09934a8d4 Mon Sep 17 00:00:00 2001
From: Ruben Kerkhof <ruben@rubenkerkhof.com>
Date: Mon, 20 Jan 2020 11:56:48 +0100
Subject: [PATCH] Fix missing prototype warning for copy_environment

This function is only used in this file, and only on Cygwin, so make
it static and hide it behind HAVE_CYGWIN.  Prevents missing prototype
warning.
---
 session.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/session.c b/session.c
index 80738b927..431ccd832 100644
--- a/session.c
+++ b/session.c
@@ -974,11 +974,13 @@ copy_environment_blacklist(char **source, char ***env, u_int *envsize,
 	}
 }
 
-void
+#ifdef HAVE_CYGWIN
+static void
 copy_environment(char **source, char ***env, u_int *envsize)
 {
 	copy_environment_blacklist(source, env, envsize, NULL);
 }
+#endif
 
 static char **
 do_setup_env(struct ssh *ssh, Session *s, const char *shell)