Propose backport.

This one-line patch fixes a bug introduced since 2.2.15,
so it would be a particularly good idea to backport before $next-release.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@966060 13f79535-47bb-0310-9956-ffa450edef68