Log Message:
Update to 2.4.6

Changelog:
Security buxfixes.
    SECURITY: CVE-2013-1896 (cve.mitre.org) Sending a MERGE request against a \ 
URI handled by mod_dav_svn with the source href (sent as part of the request \ 
body as XML) pointing to a URI that is not configured for DAV will trigger a \ 
segfault.
    SECURITY: CVE-2013-2249 (cve.mitre.org) mod_session_dbd: Make sure that \ 
dirty flag is respected when saving sessions, and ensure the session ID is \ 
changed each time the session changes. This changes the format of the \ 
updatesession SQL statement. Existing configurations must be changed.

And feature enhancement and bugfixes.