cocci: apply the "object-store.h" part of "the_repository.pending"

Apply the part of "the_repository.pending.cocci" pertaining to
"object-store.h".

Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

tree.c

@@ -129,7 +129,8 @@ int parse_tree_gently(struct tree *item, int quiet_on_missing)
 
 	if (item->object.parsed)
 		return 0;
-	buffer = read_object_file(&item->object.oid, &type, &size);
+	buffer = repo_read_object_file(the_repository, &item->object.oid,
+				       &type, &size);
 	if (!buffer)
 		return quiet_on_missing ? -1 :
 			error("Could not read %s",