[webauthn] new commits pushed by AngeloKai

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

* fix proper subset tweak (#542)
  by Angelo Liao
https://github.com/w3c/webauthn/commit/14c2733ca6a4a9568e4c48fef1b870448818e811

Received on Friday, 1 September 2017 21:59:46 UTC