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, 1 insertions, 1 deletions

diff --git a/cache.h b/cache.h
index ce7b386a4..43ba6a3ba 100644
--- a/cache.h
+++ b/cache.h
@@ -615,7 +615,7 @@ extern int pager_in_use(void);
 extern int pager_use_color;
 
 extern const char *editor_program;
-extern char *excludes_file;
+extern const char *excludes_file;
 
 /* base85 */
 int decode_85(char *dst, const char *line, int linelen);