[PATCH weston] build: fix wayland-backend distcheck

[Daniel Stone]

Hi Pekka,

On 23 November 2016 at 09:46, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> Fix the following error from 'make distcheck':
>
>   CC       libweston/wayland_backend_la-compositor-wayland.lo
> ../../libweston/compositor-wayland.c:54:51: fatal error: xdg-shell-unstable-v6-client-protocol.h: No such file or directory
>  #include "xdg-shell-unstable-v6-client-protocol.h"
>
> Files generated with the scanner belong in nodist_*_SOURCES, not with
> the regular sources.

Does what it says on the box; pushed with review.

To ssh://git.freedesktop.org/git/wayland/weston
   2b685d9..9983400  push -> master

Cheers,
Daniel