Merge 1328345, add CHANGES entry:

* server/main.c (main): Bail out *before* signalling the server
  if the config is bad. (as per the claim in the docs!)

Submitted by: jorton
Reviewed by: jorton, jim, sf


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1331847 13f79535-47bb-0310-9956-ffa450edef68