Correct typo in 'retreat' patch

git-svn-id: https://shorewall.svn.sourceforge.net/svnroot/shorewall/trunk@3307 fbd18981-670d-0410-9b5c-8dc0c1a9a2bb

Shorewall/firewall

@@ -3657,7 +3657,7 @@ process_tc_rule()
 	    esac
 	fi
 
-	if [ "x{$length:=-}" != "x-" ]; then
+	if [ "x${length:=-}" != "x-" ]; then
 	    [ -n "$LENGTH_MATCH" ] || fatal_error "Your kernel and/or iptables does not have length match support. Rule: \"$rule\""
 	    r="${r}-m length --length ${length} "
 	fi

Shorewall/shorewall

@@ -635,6 +635,9 @@ while [ $finished -eq 0 ]; do
     [ $# -eq 0 ] && usage 1
     option=$1
     case $option in
+	-)
+	    finished=1
+	    ;;
 	-*)
 	    option=${option#-}