Merge r1207562 from trunk:

Pull this out as a sep function to allow for full vhosting
adjustment between get and define balancers...
Reviewed/backported by: jim


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1207563 13f79535-47bb-0310-9956-ffa450edef68