[gnome-contacts] Flatpak: disallow xwayland

[Jordan Petridis <jpetridis src gnome org>]

commit 59231387c99643bd356347ac5e29ccf76a542028
Author: Julian Sparber <julian sparber net>
Date:   Thu Jan 9 17:19:45 2020 +0100

    Flatpak: disallow xwayland

 data/flatpak/org.gnome.Contacts.Devel.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/flatpak/org.gnome.Contacts.Devel.json b/data/flatpak/org.gnome.Contacts.Devel.json
index a2c83d3..a219235 100644
--- a/data/flatpak/org.gnome.Contacts.Devel.json
+++ b/data/flatpak/org.gnome.Contacts.Devel.json
@@ -10,7 +10,7 @@
     ],
     "finish-args": [
         /* X11 + XShm access */
-        "--share=ipc", "--socket=x11",
+        "--share=ipc", "--socket=fallback-x11",
         /* Wayland access */
         "--socket=wayland",
         "--device=dri",