* Fix Crash issue caused by closing a ticket.

* Fix potential crash issue caused by improper datatype, SQL included to alter column (Thanks Paradox)

--HG--
branch : trunk

sql/updates/741_characters.sql

@@ -0,0 +1,4 @@
+ALTER TABLE `gm_tickets` CHANGE `closed` `closed` tinyint(1) NOT NULL default '0';
+ALTER TABLE `gm_tickets` ADD `closed` bit(1) NOT NULL AFTER `timestamp`;
+ALTER TABLE `gm_tickets` ADD `assignedto` int(10) NOT NULL default '0' AFTER `timestamp`;
+