[gnome-continuous] Disable selinux for NetworkManager builds

[Emmanuele Bassi <ebassi src gnome org>]

commit 18e4d52de80c66b2e2204b968152fb0174e27bfc
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Dec 13 15:12:36 2017 +0000

    Disable selinux for NetworkManager builds

 manifest.json |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index d8e1ae1..94826a5 100644
--- a/manifest.json
+++ b/manifest.json
@@ -574,7 +574,8 @@
                                 "-Dsession_tracking=systemd",
                                 "-Dcrypto=nss",
                                 "-Ddoc=false",
-                                "-Dmodify_system=true"]},
+                                "-Dmodify_system=true",
+                                 "-Dselinux=false"]},
 
                {"src": "0pointer:libatasmart.git"},