Core/DBSchema: Changed core_revision in version table to string field.

--HG--
branch : trunk

sql/base/world_database.sql

@@ -27960,7 +27960,7 @@ DROP TABLE IF EXISTS `version`;
 /*!40101 SET character_set_client = utf8 */;
 CREATE TABLE `version` (
   `core_version` varchar(120) DEFAULT NULL COMMENT 'Core revision dumped at startup.',
-  `core_revision` bigint(20) unsigned DEFAULT NULL,
+  `core_revision` varchar(120) DEFAULT NULL,
   `db_version` varchar(120) DEFAULT NULL COMMENT 'Version of world DB.',
   `script_version` varchar(120) DEFAULT NULL COMMENT 'Version of scripts DB.',
   `cache_id` int(10) DEFAULT '0'