sha1-name.c: remove stray newline

This stray newline was accidentally introduced in
d2b7d9c ("sha1_name: convert disambiguate_hint_fn to take
object_id", 2017-03-26).

Signed-off-by: Ævar Arnfjörð Bjarmason <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: avar

sha1-name.c

@@ -346,7 +346,6 @@ static int show_ambiguous_object(const struct object_id *oid, void *data)
 	struct strbuf desc = STRBUF_INIT;
 	int type;
 
-
 	if (ds->fn && !ds->fn(oid, ds->cb_data))
 		return 0;