* modules/experimental/mod_disk_cache.c (open_entity): Allow the data file to

  be sent via sendfile() and allow the header file to be buffered.

Reviewed by:	Bill Stoddard


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@104453 13f79535-47bb-0310-9956-ffa450edef68