PreInit returns a status code. Let's use that instead of having it report
Success in some cases but not set the XI86_CONFIGURED flag and thus signal
an init failure.
Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Adam Jackson <ajax@redhat.com>
Reviewed-by: Daniel Stone <daniel@fooishbar.org>