Modify ap_open_logs (an internal function) to follow the hook open_logs
  argument schema so it can be directly invoked by the hook handler.  Also
  clean up the open_logs processing to return an error rather than simply
  exit()ing.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@96829 13f79535-47bb-0310-9956-ffa450edef68