Update cinder to use rootwrap_config

Move from using deprecated option root_helper to rootwrap_config

Fix bug 1130890

Change-Id: Iea8ad55f29bd74f2805c05d417ff56ab6afe6d72
diff --git a/lib/cinder b/lib/cinder
index 4d1ab42..49db410 100644
--- a/lib/cinder
+++ b/lib/cinder
@@ -171,7 +171,7 @@
     database_connection_url dburl cinder
     iniset $CINDER_CONF DEFAULT sql_connection $dburl
     iniset $CINDER_CONF DEFAULT api_paste_config $CINDER_API_PASTE_INI
-    iniset $CINDER_CONF DEFAULT root_helper "sudo ${CINDER_ROOTWRAP}"
+    iniset $CINDER_CONF DEFAULT rootwrap_config "$CINDER_CONF_DIR/rootwrap.conf"
     iniset $CINDER_CONF DEFAULT osapi_volume_extension cinder.api.contrib.standard_extensions
     iniset $CINDER_CONF DEFAULT state_path $CINDER_STATE_PATH