Restore load/save shown actionbars, missing from 3.3.3 upgrade

Original SQL by hunuza/MaNGOS project

--HG--
branch : trunk

sql/characters.sql

@@ -391,6 +391,7 @@ CREATE TABLE `characters` (
   `equipmentCache` longtext,
   `ammoId` int(10) UNSIGNED NOT NULL default '0',
   `knownTitles` longtext,
+  `actionBars` tinyint(3) UNSIGNED NOT NULL default '0',
   PRIMARY KEY  (`guid`),
   KEY `idx_account` (`account`),
   KEY `idx_online` (`online`),