use tab.

src/etc/rc.d/rc.subr

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc.subr,v 1.114 2016/05/03 08:59:29 otto Exp $
+#	$OpenBSD: rc.subr,v 1.115 2016/08/31 08:47:11 ajacoutot Exp $
 #
 # Copyright (c) 2010, 2011, 2014-2016 Antoine Jacoutot <ajacoutot@openbsd.org>
 # Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
@@ -78,7 +78,7 @@ _rc_exit() {
 _rc_wait() {
 	local _i=0
 	while [ $_i -lt ${daemon_timeout} ]; do
-    		case "$1" in
+		case "$1" in
 		reload|start)
 			_rc_do rc_check && return 0 ;;
 		stop)