drizzledump handles multi-part indexes incorrectly

drizzle> create table t1 (a text, b int, key ab (a(15),b));

drizzle> show create table t1\G
*************************** 1. row ***************************
       Table: t1
Create Table: CREATE TABLE `t1` (
  `a` TEXT COLLATE utf8_general_ci,
  `b` INT DEFAULT NULL,
  KEY `ab` (`a`(15),`b`)
) ENGINE=InnoDB COLLATE = utf8_general_ci
1 row in set (0.000512 sec)

$ bin/drizzledump test
-- drizzledump 2011.03.11.2227 libdrizzle 7, for unknown-linux-gnu (x86_64)
--
-- Host: localhost Database: test
-- ------------------------------------------------------
-- Server version 2011.03.11.2227 (Drizzle server)

SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0;
SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0;
DROP TABLE IF EXISTS `t1`;
CREATE TABLE `t1` (
  `a` TEXT COLLATE utf8_general_ci DEFAULT NULL,
  `b` INT DEFAULT NULL,
  KEY `ab` (`a`(15),`b`(15))
) ENGINE='InnoDB' COLLATE='utf8_general_ci';

SET FOREIGN_KEY_CHECKS=@OLD_FOREIGN_KEY_CHECKS;
SET UNIQUE_CHECKS=@OLD_UNIQUE_CHECKS;
-- Dump completed on 2011-Mar-10 20:47:15