NAME
       DisposeRegion -- Return all space for this region to free
                         memory pool.

   SYNOPSIS
       DisposeRegion(region)
                      a0

        void DisposeRegion( struct region * );

   FUNCTION
       Free all RegionRectangles for this region then
        free the region itself.

   INPUTS
       region - pointer to region structure

   BUGS

   SEE ALSO
        newregion() graphics/regions.h