We now make the decision to USE_MMAP_FILES based on whether or not APR

has MMAP.  If APR_HAS_MMAP is true then USE_MMAP_FILES is true.  We also
no longer check for MMAP in autoconf within Apache.  Apache relies on APR
to give us MMAP functionality, and therefore doesn't need to check for
itself.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84278 13f79535-47bb-0310-9956-ffa450edef68