Remove as many ghastly scoreboard loops from the graceful-shutdown code, and
replace with the new ap_relieve_child_processes() call. Add a sleep() call now,
as we lost the timeout inherent in ap_wait_or_timeout(). 1 second seems a sane
choice.



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@240466 13f79535-47bb-0310-9956-ffa450edef68