[gnome-sound-recorder] flatpak: use fallback-x11

[Bilal Elmoussaoui <bilelmoussaoui src gnome org>]

commit 55592da353c583e834c3d60ca80014781828268d
Author: Bilal Elmoussaoui <bil elmoussaoui gmail com>
Date:   Tue Jun 2 18:32:49 2020 +0200

    flatpak: use fallback-x11
    
    Most of flatpak versions supports fallback-x11 which thighten the sandbox even more
    as x11 socket isn't given to the app unless it can't connect to the wayland socket'

 org.gnome.SoundRecorder.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/org.gnome.SoundRecorder.json b/org.gnome.SoundRecorder.json
index 661f9b0..4f1c771 100644
--- a/org.gnome.SoundRecorder.json
+++ b/org.gnome.SoundRecorder.json
@@ -9,7 +9,7 @@
     ],
     "finish-args" : [
         "--share=ipc",
-        "--socket=x11",
+        "--socket=fallback-x11",
         "--socket=wayland",
         "--socket=pulseaudio",
         "--filesystem=xdg-run/dconf",