[Checkins] [zopefoundation/Products.ZCatalog] 4650ae: Do not break when indexing multiple indexes

[Michael Howitz]

  Branch: refs/heads/icemac-patch-1
  Home:   https://github.com/zopefoundation/Products.ZCatalog
  Commit: 4650aec9ab49dbbe9a65f116f7d5809bc09eca6f
      https://github.com/zopefoundation/Products.ZCatalog/commit/4650aec9ab49dbbe9a65f116f7d5809bc09eca6f
  Author: Michael Howitz <mh at gocept.com>
  Date:   2019-12-05 (Thu, 05 Dec 2019)

  Changed paths:
    M src/Products/ZCatalog/ZCatalog.py

  Log Message:
  -----------
  Do not break when indexing multiple indexes