[PATCH xserver] meson: Use [ true, false, auto ] for tristate values

[Adam Jackson]

On Wed, 2017-10-25 at 11:34 +1000, Peter Hutterer wrote:
> On Tue, Oct 24, 2017 at 01:03:09PM -0400, Adam Jackson wrote:
> > For symmetry with the boolean options. I really do not want to care
> > whether an option is a tristate if I'm trying to set it explicitly.
> > 
> > Signed-off-by: Adam Jackson <ajax at redhat.com>
> 
> Reviewed-by: Peter Hutterer <peter.hutterer at who-t.net>

remote: I: patch #184548 updated using rev 04163fe8c66ae6683a1384fd1bd91ea85f9892ee.
remote: I: 1 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   c2c6e9e68a..04163fe8c6  master -> master

Note that any configured build directories you already have will
continue to use the old option values, you'll need to recreate the
build directory for the change to take effect.

- ajax