[gnome-screenshot/wip/exalm/flatpak] flatpak: Add pulseaudio access

[Alexander Mikhaylenko <alexm src gnome org>]

commit 60673f24a1ab80337b45e69757c560ad0cba9148
Author: Alexander Mikhaylenko <alexm gnome org>
Date:   Mon Mar 9 17:53:55 2020 +0500

    flatpak: Add pulseaudio access
    
    This is required to play the screenshot sound.

 org.gnome.Screenshot.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/org.gnome.Screenshot.json b/org.gnome.Screenshot.json
index 2dbb0b1..fce322a 100644
--- a/org.gnome.Screenshot.json
+++ b/org.gnome.Screenshot.json
@@ -11,6 +11,7 @@
         "--share=ipc",
         "--socket=x11",
         "--socket=wayland",
+        "--socket=pulseaudio",
         "--talk-name=org.gnome.Shell.Screenshot",
         "--filesystem=home"
     ],