Levelup height fix
As per http://forums.te4.org/viewtopic.php?f=42&t=43200 . When levelup window is wide enough, make sure c_gtree takes the full height available to it.
As per http://forums.te4.org/viewtopic.php?f=42&t=43200 . When levelup window is wide enough, make sure c_gtree takes the full height available to it.