Bring down carp interfaces gracefully even if powerdown=YES in rc.shutdown.

ok krw@ deraadt@

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.245 2004/04/28 01:01:27 deraadt Exp $
+#	$OpenBSD: rc,v 1.246 2004/05/16 04:31:01 mcbride Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -42,9 +42,6 @@ if [ $1x = shutdownx ]; then
 		echo /etc/rc.shutdown in progress...
 		. /etc/rc.shutdown
 		echo /etc/rc.shutdown complete.
-		if [ "X${powerdown}" = X"YES" ]; then
-			exit 2
-		fi
 
 		# bring carp interfaces down gracefully
 		for hn in /etc/hostname.carp[0-9]*; do
@@ -57,6 +54,11 @@ if [ $1x = shutdownx ]; then
 				ifconfig $if down
 			fi
 		done
+
+		if [ "X${powerdown}" = X"YES" ]; then
+			exit 2
+		fi
+
 	else
 		echo single user: not running /etc/rc.shutdown
 	fi