Add n-obj to stop_nova

Add missing nova-object service to nova services list

Change-Id: Ib26204b69356ad030ba3d03f095993370fbb2676
diff --git a/lib/nova b/lib/nova
index 583a592..2d8715b 100644
--- a/lib/nova
+++ b/lib/nova
@@ -731,7 +731,7 @@
     # Kill the nova screen windows
     # Some services are listed here twice since more than one instance
     # of a service may be running in certain configs.
-    for serv in n-api n-cpu n-crt n-net n-sch n-novnc n-xvnc n-cauth n-spice n-cond n-cell n-cell n-api-meta; do
+    for serv in n-api n-cpu n-crt n-net n-sch n-novnc n-xvnc n-cauth n-spice n-cond n-cell n-cell n-api-meta n-obj; do
         screen_stop $serv
     done
     if is_service_enabled n-cpu && [[ -r $NOVA_PLUGINS/hypervisor-$VIRT_DRIVER ]]; then