Move initialization to process_connection hook, right before

ap_process_http_request.  This ensures that we are not inserted for other
protocol handlers (like mod_ftp) and mod_proxy's backend connections.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@921378 13f79535-47bb-0310-9956-ffa450edef68