Firefox/Mozilla exploit semi-permanenet fix

[Roger Oberholtzer]

The Firefox encoding was the correct one. It should start with 'xn-' to
show that it is one of these.

+????????????????????????????+???????????????????????????????+
? Roger Oberholtzer          ?   E-mail: roger at opq.se        ?
? OPQ Systems AB             ?      WWW: http://www.opq.se/  ?
? Nybrogatan 66 nb           ?    Phone: Int + 46 8   314223 ?
? 114 41 Stockholm           ?   Mobile: Int + 46 733 621657 ?
? Sweden                     ?      Fax: Int + 46 8   314223 ?
+????????????????????????????+???????????????????????????????+