[gnome-books/wip/hadess/40: 1/3] flatpak: Use fallback-x11 permission

[Bastien Nocera <hadess src gnome org>]

commit a2d95d841a6ed32ad3b7b56fd6eb415cab44aaff
Author: Bastien Nocera <hadess hadess net>
Date:   Thu Mar 25 01:14:59 2021 +0100

    flatpak: Use fallback-x11 permission
    
    Closes: #57

 flatpak/org.gnome.Books.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Books.json b/flatpak/org.gnome.Books.json
index 99763542..eacf7a5b 100644
--- a/flatpak/org.gnome.Books.json
+++ b/flatpak/org.gnome.Books.json
@@ -8,7 +8,7 @@
     "desktop-file-name-prefix": "(Nightly) ",
     "finish-args": [
         /* X11 + XShm access */
-        "--share=ipc", "--socket=x11",
+        "--share=ipc", "--socket=fallback-x11",
         /* Wayland access */
         "--socket=wayland",
         /* OpenGL access */