[epiphany] Try enabling flatpak access to kerberos

[Michael Catanzaro <mcatanzaro src gnome org>]

commit e63c953f9b65ad9fe5c94492ee19f48b90c1ff39
Author: Michael Catanzaro <mcatanzaro gnome org>
Date:   Wed Sep 18 13:23:44 2019 -0500

    Try enabling flatpak access to kerberos
    
    This is a hack and we don't know if it will work or not... let's find
    out!

 org.gnome.Epiphany.json | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/org.gnome.Epiphany.json b/org.gnome.Epiphany.json
index 509f6a948..a1cdd40dc 100644
--- a/org.gnome.Epiphany.json
+++ b/org.gnome.Epiphany.json
@@ -10,6 +10,7 @@
     "desktop-file-name-suffix" : " (Epiphany Technology Preview)",
     "finish-args" : [
         "--device=dri",
+        "--filesystem=/var/run/.heim_org.h5l.kcm-socket",
         "--filesystem=xdg-download",
         "--share=ipc",
         "--share=network",