Fixed minor bug with automap.
Fixed minor bug with automap.

Since ceilings are being drawn now, my previous automap code broke since
it was looking at the map from the top down (i.e., starting at Y =
worldHeight - 1). I've changed it to start on the main floor instead (Y
= 1), but I think it might actually read from the bottom up instead.

afritz1/OpenTESArena