From 52933af594c193a3330d0dbeb803fb0262a480ed Mon Sep 17 00:00:00 2001
From: Andre Noll <maan@systemlinux.org>
Date: Sat, 27 Aug 2011 01:47:13 +0200
Subject: [PATCH] string: Allow passing NULL to free_argv().

After all, free() also allows NULL pointers. Be liberal in what you
accept...
---
 string.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/string.c b/string.c
index bbb7c7dd..b16109ca 100644
--- a/string.c
+++ b/string.c
@@ -719,6 +719,8 @@ void free_argv(char **argv)
 {
 	int i;
 
+	if (!argv)
+		return;
 	for (i = 0; argv[i]; i++)
 		free(argv[i]);
 	free(argv);
-- 
2.39.5