Add "const" qualifier to "char *excludes_file".

Also use "git_config_string" to simplify "config.c" code
where "excludes_file" is set.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 6 deletions

diff --git a/config.c b/config.c
index 703c2085a5..b82907cb85 100644
--- a/config.c
+++ b/config.c
@@ -446,12 +446,8 @@ int git_default_config(const char *var, const char *value)
 	if (!strcmp(var, "core.editor"))
 		return git_config_string(&editor_program, var, value);
 
-	if (!strcmp(var, "core.excludesfile")) {
-		if (!value)
-			return config_error_nonbool(var);
-		excludes_file = xstrdup(value);
-		return 0;
-	}
+	if (!strcmp(var, "core.excludesfile"))
+		return git_config_string(&excludes_file, var, value);
 
 	if (!strcmp(var, "core.whitespace")) {
 		if (!value)