accept() error handling should be OK now.

I don't have a strong opinion on what we should do if the parent dies, now
that we don't have a real life example of that any more.  It was a little
confusing at first, but OTOH it kept serving requests.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@93357 13f79535-47bb-0310-9956-ffa450edef68