intel: Don't expose GLX_SWAP_EXCHANGE_OML

We can't always guarantee that the swap will happen by exchange, so we
can't expose this mode.  GLX_SWAP_UNDEFINED_OML already covers the
case where the swap *might be* by exchange.

Signed-off-by: Ian Romanick <ian.d.romanick@intel.com>
Reviewed-by: Kristian Høgsberg <krh@bitplanet.net>
1 file changed