[gnome-keysign/flatpak] flatpak: add reading permissions to xdg-run/gnupg

[Tobias Mueller <tobiasmue src gnome org>]

commit 5b5dc61ba19455dedfe2367c3eb6e793ab77c856
Author: RyuzakiKK <aasonykk gmail com>
Date:   Thu Nov 9 18:48:43 2017 +0100

    flatpak: add reading permissions to xdg-run/gnupg
    
    This is required by newer version of gnupg (like 2.2.1 and maybe even
    earlier)

 flatpak/org.gnome.Keysign.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Keysign.json b/flatpak/org.gnome.Keysign.json
index 6d8e1ed..28895fd 100644
--- a/flatpak/org.gnome.Keysign.json
+++ b/flatpak/org.gnome.Keysign.json
@@ -14,7 +14,8 @@
         "--share=network",
         "--socket=system-bus",
         "--device=all",
-        "--filesystem=~/.gnupg:ro"],
+        "--filesystem=~/.gnupg:ro",
+        "--filesystem=xdg-run/gnupg:ro"],
     "_comment": "We're waiting for webcam support: https://github.com/flatpak/xdg-desktop-portal/issues/38; 
we use --device=all meanwhile.   We do network, because we're opening a port.",
     "appstream-compose": false,
     "tags": ["nightly"],