Wait for all services to complete before changing runlevel

We allow all run/task/services to complete before changing runlevel.
This means stepping them all while we wait for their completion, since
services may depend on each other.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>

src/finit.c

@@ -481,6 +481,9 @@ int main(int argc, char* argv[])
 	api_init(&loop);
 	umask(022);
 
+	/* Finalize bootstrap, allow service/run/tasks to complete */
+	service_step_all(SVC_TYPE_ANY);
+
 	/*
 	 * Wait for all SVC_TYPE_RUNTASK to have completed their work in
 	 * [S], or timeout, before calling finalize()