RFC patch: Deny removal of folder owner ACLs

[Bron Gondwana]

On Wed, 30 Mar 2011 10:10:14 +0200
Bron Gondwana <brong at fastmail.fm> wrote:

> Oh ok - that was only pushed to master, not to 2.4 stable.  I will just add the new patch
> to -stable for 2.4.7.

Changed my mind again sorry - that code is complex and brittle and liable to break if I
try to code this against it.  Going to release 2.4.7 without this patch.  It will definitely
go in master though, and either come in for 2.4.8 if we can get it robust, or go in 2.5.