XINPUT_STATE_EX has four extra bytes for padding, but is otherwise
identical to XINPUT_STATE. It was introduced in a libSDL header in
2012, for use with the undocumented function at xinput ordinal 100,
which we call XInputGetStateEx.
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>