[Ip2nationLock] Implement the ip2nation lock country.

sql/base/auth_database.sql

@@ -34,6 +34,7 @@ CREATE TABLE `account` (
   `last_ip` varchar(15) NOT NULL DEFAULT '127.0.0.1',
   `failed_logins` int(10) unsigned NOT NULL DEFAULT '0',
   `locked` tinyint(3) unsigned NOT NULL DEFAULT '0',
+  `lock_country` varchar(2) NOT NULL DEFAULT '00',
   `last_login` timestamp NOT NULL DEFAULT '0000-00-00 00:00:00',
   `online` tinyint(3) unsigned NOT NULL DEFAULT '0',
   `expansion` tinyint(3) unsigned NOT NULL DEFAULT '2',