[gnome-apps-nightly] Try to fix gnome-software build

[Matthias Clasen <matthiasc src gnome org>]

commit ef2ee64bdbed1a8bad45bd0ec2d3fb926060ea58
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Jun 7 08:02:26 2016 -0400

    Try to fix gnome-software build
    
    Use the new --disable-system-helper flat to avoid the polkit
    dependency.

 org.gnome.Software.json |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/org.gnome.Software.json b/org.gnome.Software.json
index 6440ec6..109ad02 100644
--- a/org.gnome.Software.json
+++ b/org.gnome.Software.json
@@ -95,8 +95,10 @@
         },
         {
             "name": "flatpak",
-            "config-opts": ["--disable-documentation", "--disable-seccomp",
-                            "--disable-sandboxed-triggers"],
+            "config-opts": ["--disable-documentation",
+                            "--disable-seccomp",
+                            "--disable-sandboxed-triggers",
+                            "--disable-system-helper"],
             "make-args": [ "XDG_APP_BINDIR=/usr/bin" ],
             "cleanup": [ "/etc/profile.d",
                          "/libexec",