checkout: add missing const to describe_detached_head

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/checkout.c b/builtin/checkout.c
index cd7f56e6c4b6e1b1059ffa0eae91b46e579b9e97..bef324e4717fbe73da852c49c664e02d70955fc9 100644 (file)
--- a/builtin/checkout.c
+++ b/builtin/checkout.c
@@ -297,7 +297,7 @@ static void show_local_changes(struct object *head, struct diff_options *opts)
        run_diff_index(&rev, 0);
 }
 
-static void describe_detached_head(char *msg, struct commit *commit)
+static void describe_detached_head(const char *msg, struct commit *commit)
 {
        struct strbuf sb = STRBUF_INIT;
        struct pretty_print_context ctx = {0};