Misc. Fixes

* Ticket preview crash
* Task view crash

include/class.task.php

@@ -279,7 +279,7 @@ class Task extends TaskModel implements RestrictedAccess, Threadable {
             return true;
 
         // Permission check requested -- get role.
-        if (!($role=$staff->getRole($this->getDept)))
+        if (!($role=$staff->getRole($this->getDept())))
             return false;
 
         // Check permission based on the effective role

include/staff/templates/ticket-preview.tmpl.php

@@ -6,7 +6,7 @@
 
 $staff=$ticket->getStaff();
 $lock=$ticket->getLock();
-$role=$ticket->getRole($thistaff);
+$role=$ticket->getRole($thisstaff);
 $error=$msg=$warn=null;
 $thread = $ticket->getThread();