OpenID: resize the salt field for the nonce
OpenID: resize the salt field for the nonce

This should fix the problem reported by someone using the id.koumbit.net
OpenID provider.

libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar,libravatar/libravatar