object: convert parse_object* to take struct object_id

diff --git a/refs/files-backend.c b/refs/files-backend.c
index 2c360a4107d343cb9d9d9ad3bfdfb9c05abb2e62..2cccdf71ae81ecd4ec0c26d35224606713979b84 100644 (file)
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -2057,7 +2057,7 @@ static int write_ref_to_lockfile(struct ref_lock *lock,
        struct object *o;
        int fd;
 
-       o = parse_object(oid->hash);
+       o = parse_object(oid);
        if (!o) {
                strbuf_addf(err,
                            "trying to write ref '%s' with nonexistent object %s",