Split the hints file into two files, one in APR and one in Apache. The APR

hints file just sets build variables, the Apache hints file just sets
Apache variables.  This is meant to clean up parts of APR, so that they
don't include Apache information.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@87107 13f79535-47bb-0310-9956-ffa450edef68