[merge][#279381] correct calls to readdir from pyrex

[Bundle Buggy]

Bundle Buggy has detected this merge request.

For details, see: 
http://bundlebuggy.aaronbentley.com/project/bzr/request/%3Ce01316480810062029v75a37f54qb79c168f3b81cab2%40mail.gmail.com%3E
Project: Bazaar