cycled through the entire list of actors.
- Reverted AActor::FindState to its R407 version because the change in R408
doesn't compile properly with VC++.
- Changed FIXMAPTHINGPOS further so that it also affects objects that are
not directly on a wall but closer than its radius.
- Changed FIXEDMAPTHINGPOS to move objects completely out of the wall and
adjusted the radii of all affected objects to actually represent half
the sprite's width.
SVN r409 (trunk)
