A Bézier stroke can lie outside its "defining triangle" for at most
half of the stroke width, not an entire stroke width.
Signed-off-by: Giovanni Mascellani <gio@debian.org>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>