[w3c/webauthn] 410501: closing div needed in dfn for Attachment. See #243

  Branch: refs/heads/acz2
  Home:   https://github.com/w3c/webauthn
  Commit: 410501fd89d5f5836f127991c2b77360af032e80
      https://github.com/w3c/webauthn/commit/410501fd89d5f5836f127991c2b77360af032e80
  Author: rlin1 <rolf@noknok.com>
  Date:   2016-12-07 (Wed, 07 Dec 2016)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  closing div needed in dfn for Attachment. See #243