PR#47782: compiled-in default for MaxConnectionsPerChild is 10,000 vs the

recommendations in the default conf and the manual.  

Principle of least astonishment says to use a baked-in value of zero until
an admin asks for processes to exit this way.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1031657 13f79535-47bb-0310-9956-ffa450edef68