object: add repository argument to object_as_type

Signed-off-by: Stefan Beller <sbeller@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/commit.c b/commit.c
index b4dbfd8..0d55600 100644
--- a/commit.c
+++ b/commit.c
@@ -32,7 +32,7 @@ struct commit *lookup_commit_reference_gently(const struct object_id *oid,
 
 	if (!obj)
 		return NULL;
-	return object_as_type(obj, OBJ_COMMIT, quiet);
+	return object_as_type(the_repository, obj, OBJ_COMMIT, quiet);
 }
 
 struct commit *lookup_commit_reference(const struct object_id *oid)
@@ -58,7 +58,7 @@ struct commit *lookup_commit(const struct object_id *oid)
 	if (!obj)
 		return create_object(the_repository, oid->hash,
 				     alloc_commit_node(the_repository));
-	return object_as_type(obj, OBJ_COMMIT, 0);
+	return object_as_type(the_repository, obj, OBJ_COMMIT, 0);
 }
 
 struct commit *lookup_commit_reference_by_name(const char *name)