-Fix a compilation issue with the P_HitFloor() stub not returning a value.

git-svn-id: http://odamex.net/svn/root/trunk@3675 b0bcef46-2027-0410-bd56-ab726e9a1d04
Uncommented z-check in PIT_StompThing, which needlessly caused players to die if they happened to be above or below a spawn point when another player spawned on it.  Fixes bug 925 the "correct" way.

git-svn-id: http://odamex.net/svn/root/trunk@3676 b0bcef46-2027-0410-bd56-ab726e9a1d04
Fix line-endings.

git-svn-id: http://odamex.net/svn/root/trunk@3677 b0bcef46-2027-0410-bd56-ab726e9a1d04