* Updated to ZDoom 4294:
- Move bitdepth check outside the loop for grayscale unpacking.
- Added ACS functions SetCVarString and SetUserCVarString.
- Make UCVarValue::String point to a constant string.
- Added ACS functions GetCVarString and GetUserCVarString.

git-svn-id: http://mancubus.net/svn/hosted/gzdoom/trunk@1578 b0f79afe-0144-0410-b225-9a4edf0717df