[webauthn] new commits pushed by WebAuthnBot

The following commits were just pushed by WebAuthnBot to https://github.com/w3c/webauthn:

* Built by Travis-CI: a6cc20dd78b480d99ab1dfa918f05ecfd4642145 Merge pull request #1054 from w3c/issue-1024-fido-u2f-attca
  by Travis-CI
https://github.com/w3c/webauthn/commit/5568ae5397ce04763886d8da07ad333fee229a51

Received on Wednesday, 19 September 2018 09:12:42 UTC