[PATCH xserver] randr: Stop dirty tracking for shared pixmap being destroyed

[Adam Jackson]

On Wed, 2015-12-02 at 18:21 +0900, Michel Dänzer wrote:
> From: Michel Dänzer <michel.daenzer at amd.com>
> 
> Otherwise, we leave a dangling reference to the destroyed pixmap in the
> master screen's pixmap_dirty_list.
> 
> Fixes regression from commit cf5d6414 ("randr: Factor out shared pixmap
> destruction").

Lgtm, merged:

remote: I: patch #66814 updated using rev 5bccde749db93296b7784e4cdc5e54c4443656c1.
remote: I: 1 patch(es) updated to state Accepted.
To ssh://git.freedesktop.org/git/xorg/xserver
   2e3d962..5bccde7  master -> master

- ajax