zeromq/libzmq — pull request #389 by hurtonm (2012-06-25 11:56:00+00:00)
Title: Fix a bug in trie implementation

When removing keys for a specified value, make sure we drop
empty node table. Failing to do this can lead to asserion failure.

Refs: http://lists.zeromq.org/pipermail/zeromq-dev/2012-June/017589.html