Put in hooks to start ypserv with flags

src/etc/netstart

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: netstart,v 1.19 1997/06/17 10:20:06 niklas Exp $
+#	$OpenBSD: netstart,v 1.20 1997/06/17 13:13:48 niklas Exp $
 
 # set these to "NO" to turn them off.  otherwise, they're used as flags
 routed_flags=-q
@@ -28,6 +28,7 @@ lpd=NO				# printing daemons
 # miscellaneous other flags
 # only used if the appropriate server is marked YES above
 gated_flags=
+ypserv_flags=			# E.g. -1 for YP v1, -d for DNS etc
 yppasswdd_flags=		# "-d /etc/yp" if passwd files is in /etc/yp
 amd_dir=/amd			# AMD's mount directory
 amd_master=/etc/amd/master	# AMD 'master' map

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.35 1997/06/17 10:20:05 niklas Exp $
+#	$OpenBSD: rc,v 1.36 1997/06/17 13:13:47 niklas Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -117,7 +117,7 @@ fi
 if [ -d /var/yp/binding ]; then
 	if [ -d /var/yp/`domainname` ]; then
 		# yp server capabilities needed...
-		echo -n ' ypserv';		ypserv
+		echo -n ' ypserv';		ypserv ${ypserv_flags}
 		#echo -n ' ypxfrd';		ypxfrd
 	fi