BETA: Small Improvement for [8870].

L2J_DataPack_BETA/dist/sql/game/updates/20110831update.sql

 ALTER TABLE `characters` ADD `createDate` date NOT NULL DEFAULT '0000-00-00' AFTER `createTime`;
-UPDATE `characters` SET `createDate`=CURDATE() WHERE `createDate`='0000-00-00';
+UPDATE `characters` SET `createDate`=CURDATE() WHERE `createDate`<'2004-00-00';
 ALTER TABLE `characters` DROP `createTime`;
 
 ALTER TABLE `messages` CHANGE `isFourStars` `sendBySystem` tinyint(1) unsigned NOT NULL DEFAULT '0' AFTER `isLocked`;