setup_glance: fix use of glance client

Change-Id: Ibb2e32b6419b1284fabb971d1e81ae2df69143d8

labs/osbash/scripts/ubuntu/setup_glance.sh

@@ -124,10 +124,12 @@ echo
 
 echo "Adding pre-downloaded CirrOS image as $CIRROS_IMG_NAME to glance."
 
+# XXX install-guide changed from openstack to glance client, but did not
+#     change --public to --visibility public
 glance image-create --name "$CIRROS_IMG_NAME" \
     --file "$HOME/img/$(basename $CIRROS_URL)" \
     --disk-format qcow2 --container-format bare \
-    --public
+    --visibility public
 
 echo "Verifying that the image was successfully added to the service."