Subject: [quicwg/base-drafts] 7daa64: Use contains()

From: ianswett <[email-masked]>
Date: Tue, 10 Sep 2019 11:27:24 -0700

Branch: refs/heads/ianswett-use-contains
  Home:   https://github.com/quicwg/base-drafts
  Commit: 7daa6462428e3bda9313451976223c156bc05866
      https://github.com/quicwg/base-drafts/commit/7daa6462428e3bda9313451976223c156bc05866
  Author: ianswett <[email-masked]>
  Date:   2019-09-10 (Tue, 10 Sep 2019)

  Changed paths:
    M draft-ietf-quic-recovery.md

  Log Message:
  -----------
  Use contains()

Per @martinthomson suggestion, use contains() instead of the implicit check.

Fixes #2569 
An alternative to #2987