xwayland pull request for 1.19 branch

[Adam Jackson]

On Mon, 2017-03-13 at 06:06 -0400, Olivier Fourdan wrote:
> Hi,
> 
> I have cherry-picked a couple of fixes for Xwayland for the server-1.19-branch.
> 
> _Important_: I squashed two commits from upstream for 1.19, namely:
> 
>   64ca14b xwayland: make sure client is not gone in sync callback
>   937527f xwayland: Monitor client states to destroy callbacks
> 
> I used "cherry-pick -x" and kept the original commit from the the best fix in the squash commit message, i.e. 937527f.
> 
> I hope this is OK (I reckon it makes sense for the stable branch to get the right code in one go).

Not just okay, preferred. Merged, thanks:

To ssh://git.freedesktop.org/git/xorg/xserver
   db1326c..18fcb66  server-1.19-branch -> server-1.19-branch

- ajax