[Swan-commit] Changes to ref refs/heads/master

[Andrew Cagney]

New commits:
commit 4a9b9261e3f9bc7bfe2449c24c71603c6322a9f4
Author: Andrew Cagney <cagney at gnu.org>
Date:   Fri Mar 22 10:50:34 2019 -0400

    events: point libevent at pluto's memory allocator; free libevent's resources during exit