memory leak found during multiple reboots. it was found that in many cases the
reply was not unref'ed

--signed off by vishwanath@in.ibm.com---
diff --git a/host-services.c b/host-services.c
index 23aa55e..cc47439 100644
--- a/host-services.c
+++ b/host-services.c
@@ -68,7 +68,7 @@
 
 finish:
     sd_bus_error_free(&bus_error);
-    sd_bus_message_unref(response);
+    response = sd_bus_message_unref(response);
 
     if(rc < 0)
     {