watch out for the should-not-occur condition where the daemon can't

find the script pid in the hash and returns zero...  if we send
sigterm to pid zero, we knock out ourself

change the cleanup to return any error from cleanup_nonchild_process()


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97493 13f79535-47bb-0310-9956-ffa450edef68