Propose.

Tested with a highly modified dav.t which sends raw commands on a sock + wireshark to check the result.
(I've now found an easy way to force HTTP::DAV to use absolute URI)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1844908 13f79535-47bb-0310-9956-ffa450edef68