[Mesa-stable] Couple of fixes from Andres (all stable branches)

[Emil Velikov]

On 19 January 2017 at 15:49, Emil Velikov <emil.l.velikov at gmail.com> wrote:
> Forgot to add the tag while pushing the below
>
> commit e0674e740bf84085dec898ffd87bdeb2027e620f
> Author: Andres Rodriguez <andresx7 at gmail.com>
> Date:   Wed Jan 18 18:07:56 2017 -0500
>
>    vulkan/wsi: clarify the severity of lack of DRI3 v2
>
> commit a3ad6a34c6ba222ec93a2cfd0cac205c62574eb7
> Author: Andres Rodriguez <andresx7 at gmail.com>
> Date:   Wed Jan 18 17:48:36 2017 -0500
>
>    radv: fix include order for installed headers v2
>
Picked both for the 13.0 and 17.0 branches

-Emil