[w3c/webauthn] 9cc342: non- -> non-null

  Branch: refs/heads/jeffh-fix-non-null-breakage
  Home:   https://github.com/w3c/webauthn
  Commit: 9cc342a5d94da05b4a5aec34f1ccdc74a5ad9673
      https://github.com/w3c/webauthn/commit/9cc342a5d94da05b4a5aec34f1ccdc74a5ad9673
  Author: JeffH <Jeff.Hodges@PayPal.com>
  Date:   2018-05-01 (Tue, 01 May 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  non- -> non-null



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