TSG-14909 tsg-service-chaining-engine的service_function_status metrics适配vsys_id的变更

platform/include/policy.h

@@ -88,6 +88,7 @@ struct selected_sf
 	enum forward_type sff_forward_type;
 
 	int sf_need_skip;
+	int sf_vsys_id;
 	int sf_profile_id;
 	enum session_action sf_action;
 	enum action_reason sf_action_reason;