[gnome-continuous] gvfs: disable nfs backend support

[Iñigo Martínez <inigomartinez src gnome org>]

commit 9d3e4694d8443fc4a046003db89480023d694697
Author: Iñigo Martínez <inigomartinez gmail com>
Date:   Thu Apr 5 20:34:20 2018 +0200

    gvfs: disable nfs backend support
    
    The image used in gnome-continuous does not have support for the
    `libnfs` library, which is necessary for the `nfs` backend support.
    
    Due to this missing library, the `nfs` backend support is disabled.

 manifest.json |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 51e606d..faace2e 100644
--- a/manifest.json
+++ b/manifest.json
@@ -852,6 +852,7 @@
                                  "-Dgphoto2=false",
                                  "-Dlibusb=false",
                                  "-Dmtp=false",
+                                 "-Dnfs=false",
                                  "-Dsmb=false"]},
 
                {"src": "gnome:gnome-bluetooth",