[PATCH] include: add BUG_WARN_MSG for custom error message on bug condition

[Chase Douglas]

On 12/06/2011 12:04 AM, Peter Hutterer wrote:
> __BUG_WARN_MSG is a simple helper to enable call with and without varargs. I
> couldn't find a way to otherwise do this without getting gcc warnings.
> 
> Signed-off-by: Peter Hutterer <peter.hutterer at who-t.net>

Looks good to me.

Reviewed-by: Chase Douglas <chase.douglas at canonical.com>