Merge r616335 from trunk:

Now let things like

   ProxyPassReverse /foo balancer://bar

work "as expected" :) :)


Reviewed by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@645569 13f79535-47bb-0310-9956-ffa450edef68