Use new cafile option in nova cinder options

ca_certificate_file is deprecated in favour of using the standard
options from keystoneclient session.

Change-Id: I611da719fb3a95d0a9c2f6ad43e2c083ea7d6862

Author: Jamie Lennox

lib/nova

@@ -459,7 +459,7 @@ function create_nova_conf {
             CINDER_SERVICE_HOST=${CINDER_SERVICE_HOST:-$SERVICE_HOST}
             CINDER_SERVICE_PORT=${CINDER_SERVICE_PORT:-8776}
             iniset $NOVA_CONF cinder endpoint_template "https://$CINDER_SERVICE_HOST:$CINDER_SERVICE_PORT/v1/%(project_id)s"
-            iniset $NOVA_CONF cinder ca_certificates_file $SSL_BUNDLE_FILE
+            iniset $NOVA_CONF cinder cafile $SSL_BUNDLE_FILE
         fi
     fi