rev-parse: mark unused parameter in for_each_abbrev callback

We don't need to use the "data" parameter in this instance. Let's mark
it to avoid -Wunused-parameter warnings.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/rev-parse.c b/builtin/rev-parse.c
index 3e2ee44177cd874fc918e961dc3a5306686103d0..075e2c5aa49364bb6fe93865a4027ef3f3a07298 100644 (file)
--- a/builtin/rev-parse.c
+++ b/builtin/rev-parse.c
@@ -226,7 +226,7 @@ static int anti_reference(const char *refname, const struct object_id *oid,
        return 0;
 }
 
-static int show_abbrev(const struct object_id *oid, void *cb_data)
+static int show_abbrev(const struct object_id *oid, void *cb_data UNUSED)
 {
        show_rev(NORMAL, oid, NULL);
        return 0;