Specify vagrant-libvirt 0.0.35

Change-Id: Ia3d734081a3f8ec06c2ddcafc5bffed31d6a8762
diff --git a/scripts/cord-in-a-box.sh b/scripts/cord-in-a-box.sh
index 28fee02..4c4a026 100755
--- a/scripts/cord-in-a-box.sh
+++ b/scripts/cord-in-a-box.sh
@@ -90,7 +90,7 @@
   fi
 
   cd $CORDDIR/build
-  vagrant plugin install vagrant-libvirt
+  vagrant plugin install vagrant-libvirt --plugin-version 0.0.35
   vagrant plugin install vagrant-mutate
   vagrant box list ubuntu/trusty64 | grep virtualbox || vagrant box add ubuntu/trusty64
   vagrant box list ubuntu/trusty64 | grep libvirt || vagrant mutate ubuntu/trusty64 libvirt --input-provider virtualbox