Permit flags to be set for savecore, e.g. to compress core dumps

ok millert@ fgsch@

src/etc/rc

@@ -1,4 +1,4 @@
-#	$OpenBSD: rc,v 1.187 2001/12/30 16:34:50 markus Exp $
+#	$OpenBSD: rc,v 1.188 2002/01/08 12:04:43 tholo Exp $
 
 # System startup script run by init on autoboot
 # or after single-user.
@@ -302,7 +302,7 @@ swapctl -A -t noblk
 # /var/crash should be a directory or a symbolic link
 # to the crash directory if core dumps are to be saved.
 if [ -d /var/crash ]; then
-	savecore /var/crash
+	savecore ${savecore_flags} /var/crash
 fi
 
 if [ "X${afs}" = X"YES" -a -c ${afs_device} -a -d ${afs_mount_point} ]; then

src/etc/rc.conf

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: rc.conf,v 1.71 2001/11/19 03:03:33 deraadt Exp $
+#	$OpenBSD: rc.conf,v 1.72 2002/01/08 12:04:43 tholo Exp $
 
 # set these to "NO" to turn them off.  otherwise, they're used as flags
 routed_flags=NO		# for normal use: "-q"
@@ -72,6 +72,7 @@ multicast_router=NO	# A multicast routing daemon will be run, e.g. mrouted
 
 # miscellaneous other flags
 # only used if the appropriate server is marked YES above
+savecore_flags=			# "-z" to compress
 gated_flags=
 ypserv_flags=			# E.g. -1 for YP v1, -d for DNS etc
 yppasswdd_flags=		# "-d /etc/yp" if passwd files are in /etc/yp