[w3c/webauthn] a33839: UTF-16 -> UTF-8

  Branch: refs/heads/vgb-signature
  Home:   https://github.com/w3c/webauthn
  Commit: a338394a49d2b8237f0fbeb44c3baac5712fceab
      https://github.com/w3c/webauthn/commit/a338394a49d2b8237f0fbeb44c3baac5712fceab
  Author: Vijay Bharadwaj <vijaybh@users.noreply.github.com>
  Date:   2016-07-13 (Wed, 13 Jul 2016)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  UTF-16 -> UTF-8

As per feedback from @bifurcation