Merge r328463 from trunk:

* Fix PR36906 by not lower caseing the whole worker name. Only lower case the
  schema when storing the worker url. Thus preventing case sensitive URI's in
  BalancerMembers to get broken.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@328465 13f79535-47bb-0310-9956-ffa450edef68