Add CHANGES entry for OpenSSL 1.1.0 support.

Backport of r1728971 from 1.5.x.


git-svn-id: https://svn.apache.org/repos/asf/apr/apr-util/branches/1.4.x@1728973 13f79535-47bb-0310-9956-ffa450edef68
1 file changed