Make darn sure that fsck does not try to fsck dos file systems by setting

the fsck pass to 0, same thing for dump field, in the fstab that is
created by this script.

etc/etc.i386/inst1.install

@@ -936,7 +936,7 @@ if [ "$hname" != "" ]; then
 	if [ ! "$have_dos_part" ]; then
 		echo "/dev/${drivename}h	/$hname	ufs	rw 1 5" >>etc/fstab
 	else
-		echo "/dev/${drivename}h	/$hname	pcfs	rw" >>etc/fstab
+		echo "/dev/${drivename}h	/$hname	pcfs	rw 0 0" >>etc/fstab
 	fi
 fi