d3d8: Explicitly cast FourCC formats in d3dformat_from_wined3dformat() and wined3dformat_from_d3dformat().
Signed-off-by: Chip Davis <cdavis@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>