The function ap_time_process_request() needs to be declared appropriately if...

The function ap_time_process_request() needs to be declared appropriately if it is going to be used externally (now being called by mod_echo)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@590122 13f79535-47bb-0310-9956-ffa450edef68