error code changed in union.test

mysql-test/t/union.test:
  error code changed

mysql-test/t/union.test

@@ -213,7 +213,7 @@ select found_rows();
 (SELECT SQL_CALC_FOUND_ROWS * FROM t1) UNION all (SELECT * FROM t2 LIMIT 1);
 select found_rows();
 # This used to work in 4.0 but not anymore in 4.1
---error 1149
+--error 1064
 (SELECT SQL_CALC_FOUND_ROWS * FROM t1 LIMIT 1) UNION SELECT * FROM t2 LIMIT 1;
 #select found_rows();