be compatible with new dnssec tool command line argument

usage; bug fixes

bin/tests/system/dnssec/ns3/sign.sh

@@ -4,21 +4,15 @@ zone=secure.example.
 infile=secure.example.db.in
 zonefile=secure.example.db
 
-rm -f K$zone*.key
-rm -f K$zone*.private
-rm -f $zone*.keyset
-
 keyname=`$KEYGEN -a RSA -b 768 -n zone $zone`
 
-tag=`echo $keykname | sed -n 's/^.*\+\([0-9][0-9]*\)$/\1/p'`
+tag=`echo $keyname | sed -n 's/^.*\+\([0-9][0-9]*\)$/\1/p'`
 
 echo "key=$keyname, tag=$tag"
 
-pubkeyfile="$keyname.key"
+$KEYSETTOOL $keyname.key
 
-$KEYSETTOOL $zone $tag/001
-
-cat $infile $pubkeyfile >$zonefile
+cat $infile $keyname.key >$zonefile
 
 $SIGNER -v 1 -o $zone $zonefile