completed implementation of "trigger" for init
diff --git a/init/init.h b/init/init.h
index f306b7b..60c3055 100644
--- a/init/init.h
+++ b/init/init.h
@@ -165,6 +165,7 @@
 void service_start(struct service *svc, const char *dynamic_args);
 void property_changed(const char *name, const char *value);
 
+void drain_action_queue(void);
 struct action *action_remove_queue_head(void);
 void action_add_queue_tail(struct action *act);
 void action_for_each_trigger(const char *trigger,