fix synchronizer manifest

Change-Id: Ib4c530faa3ad7f9728ef2ebffc6091bb60698168
diff --git a/xos/synchronizer/manifest b/xos/synchronizer/manifest
index dccfcdc..9f1c8c4 100644
--- a/xos/synchronizer/manifest
+++ b/xos/synchronizer/manifest
@@ -1,6 +1,6 @@
 manifest
 vtn-synchronizer.py
-steps/sync_tenant.py
+steps/sync_vtn_service.py
 steps/sync_port_addresses.py
 start.sh
 stop.sh