fix ansible syntax issue

Change-Id: Ib3ea4683a3e3a2dfb3c90907492c1a86385029f7
diff --git a/xos/synchronizer/steps/sync_onosapp_nocontainer.yaml b/xos/synchronizer/steps/sync_onosapp_nocontainer.yaml
index 7e18bf0..2a87c31 100644
--- a/xos/synchronizer/steps/sync_onosapp_nocontainer.yaml
+++ b/xos/synchronizer/steps/sync_onosapp_nocontainer.yaml
@@ -59,5 +59,5 @@
       method: POST
       user: karaf
       password: karaf
-    with_items: "rest_configs"
+    with_items: "{{ '{{' }} rest_configs {{ '}}' }}"
 {% endif %}