Make sure IE8 displays little dots in password fields

See the effect of webfonts on password fields in IE8:
http://blog.kaelig.fr/post/19578237411/ie-champ-mot-de-passe-et-webfonts

![ ](http://s2.developerslife.ru/public/images/gifs/0cf792b6-5715-4445-916d-a47146c3215d.gif)