[mutter] wayland: Disable AccessX in Xwayland

[Olivier Fourdan <ofourdan src gnome org>]

commit 0461eed0cb08f6a3f06be9a2a1b77b4c4ed94412
Author: Olivier Fourdan <ofourdan redhat com>
Date:   Thu Sep 14 09:20:30 2017 +0200

    wayland: Disable AccessX in Xwayland
    
    Keyboard accessibility features in Wayland are handled in the
    compositor, we do not want AccessX in Xwayland to interfere with the
    compositor.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=788564

 src/wayland/meta-xwayland.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/wayland/meta-xwayland.c b/src/wayland/meta-xwayland.c
index a2ff0ea..b185c0a 100644
--- a/src/wayland/meta-xwayland.c
+++ b/src/wayland/meta-xwayland.c
@@ -562,6 +562,7 @@ meta_xwayland_start (MetaXWaylandManager *manager,
                                                XWAYLAND_PATH, manager->display_name,
                                                "-rootless",
                                                "-terminate",
+                                               "-accessx",
                                                "-core",
                                                "-listen", "4",
                                                "-listen", "5",