[PATH wayland] allow to set server socket dir on a different directory than XDG_RUNTIME_DIR

[Daniel Stone]

On 5 February 2015 at 10:14, Bettio, Davide <davide.bettio at ispirata.com> wrote:
> commit 68beb2b60f851c74b982b0a23da4bb1ce375efcf
> Author: Davide Bettio <davide.bettio at ispirata.com>
> Date:   Wed Feb 4 13:46:19 2015 +0100
>
>     Allow to explicitly set wayland server socket dir using
> WAYLAND_SERVER_SOCKET_DIR

Reviewed-by: Daniel Stone <daniels at collabora.com>