The correct limit for d3d8 would be WINED3D_MAX_TEXTURES, since that's the
size of the "texture_states" array. However, the original code didn't check
the stage index at all, so simply remove it.
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>