if screenblank exists, start it

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.36 1997/06/17 13:13:47 niklas Exp $
+#	$OpenBSD: rc,v 1.37 1997/06/20 13:01:34 deraadt Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -312,6 +312,10 @@ if [ "X${rbootd_flags}" != X"NO" -a -r /etc/rbootd.conf ]; then
 	echo -n ' rbootd';		rbootd ${rbootd_flags}
 fi
 
+if [ -x /usr/sbin/screenblank ]; then
+	echo -n ' screenblank';	/usr/sbin/screenblank
+fi
+
 echo '.'
 
 if [ -f /sbin/kbd -a -f /etc/kbdtype ]; then