getty, sulogin: convert to using bb_msg for syslog output

diff --git a/libbb/fflush_stdout_and_exit.c b/libbb/fflush_stdout_and_exit.c
index 7e8152d..245f508 100644
--- a/libbb/fflush_stdout_and_exit.c
+++ b/libbb/fflush_stdout_and_exit.c
@@ -20,5 +20,7 @@
 	if (fflush(stdout)) {
 		retval = bb_default_error_retval;
 	}
+	if (die_sleep)
+		sleep(die_sleep);
 	exit(retval);
 }