It's better to dup the apr_mmap_t when we first create it. The result

is the same, and it saves us a call to apr_mmap_dup() per request.

Reviewed by:	Brian Pane (concept)


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@92139 13f79535-47bb-0310-9956-ffa450edef68