Fix PR54848 in a 2.4.x backportable format. Ideally deprecating the use

of ->client in whatever version of 2.4 this is added into would be
more logical.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1837225 13f79535-47bb-0310-9956-ffa450edef68