* Disable persistent connections for SSL backends again as we do not

  handle them correctly, because we recreate backend->connection for each
  request and thus try to initialize an already existing SSL connection.

Noticed by: Joe Orton


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@379237 13f79535-47bb-0310-9956-ffa450edef68