[Checkins] [zopefoundation/ZODB] 22055b: Evidently the build_script is required.

[Jason Madden]

  Branch: refs/heads/appveyor-mock
  Home:   https://github.com/zopefoundation/ZODB
  Commit: 22055bdeb1e18abdc0e8ee48c6fcd46bfdbcde08
      https://github.com/zopefoundation/ZODB/commit/22055bdeb1e18abdc0e8ee48c6fcd46bfdbcde08
  Author: Jason Madden <jamadden at gmail.com>
  Date:   2020-03-05 (Thu, 05 Mar 2020)

  Changed paths:
    M appveyor.yml

  Log Message:
  -----------
  Evidently the build_script is required.