[Checkins] [zopefoundation/ZODB] 0b3db5: Fix simple typo: whos -> whose

[Tim Gates]

  Branch: refs/heads/master
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 0b3db5aee57da1f89a4f4d1aa5c853ae2d0b78f1
      https://github.com/zopefoundation/ZODB/commit/0b3db5aee57da1f89a4f4d1aa5c853ae2d0b78f1
  Author: Tim Gates <tim.gates at iress.com>
  Date:   2019-12-09 (Mon, 09 Dec 2019)

  Changed paths:
    M src/ZODB/interfaces.py

  Log Message:
  -----------
  Fix simple typo: whos -> whose

Closes #287