[PATCH] drm: Make drm.h uapi header safe for C++

[Emil Velikov]

On 30 March 2016 at 16:12, Daniel Vetter <daniel.vetter at ffwll.ch> wrote:
> virtual is a protected keyword in C++ and can't be used at all. Ugh.
>
> This aligns the kernel versions of the drm headers with the ones in
> libdrm.
>
> v2: Also annote with __user, as request by Emil&Ilia.

Reviewed-by: Emil Velikov <emil.l.velikov at gmail.com>

-Emil