help.c: use 'git_config_string' to get 'help_default_format'.

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

diff --git a/help.c b/help.c
index 6e28ad9e7129360aa2b3206a606e81134baec85c..8143dcdd38218ef03c47535c7c2e761cf1a868ce 100644 (file)
--- a/help.c
+++ b/help.c
@@ -39,12 +39,8 @@ static void parse_help_format(const char *format)
 
 static int git_help_config(const char *var, const char *value)
 {
-       if (!strcmp(var, "help.format")) {
-               if (!value)
-                       return config_error_nonbool(var);
-               help_default_format = xstrdup(value);
-               return 0;
-       }
+       if (!strcmp(var, "help.format"))
+               return git_config_string(&help_default_format, var, value);
        return git_default_config(var, value);
 }