[PATCH wayland] cursor: add forward declaration for struct wl_buffer

[Daniel Stone]

Hi Emil,

On 12 October 2017 at 13:39, Emil Velikov <emil.l.velikov at gmail.com> wrote:
> This makes the header self-contained, since the struct is considered
> opaque from waylad-cursor POV.
>
> As we're here move the wl_shm fwd. declaration alongside the others.
> Making it easier to read and track.

Thanks for this! Reviewed and pushed.

Cheers,
Daniel