[PATCH] include: let BitIsOn() return a boolean value.

[Keith Packard]

On Wed, 24 Nov 2010 14:40:11 +1000, Peter Hutterer <peter.hutterer at who-t.net> wrote:

> -#define BitIsOn(ptr, bit) (((BYTE *) (ptr))[(bit)>>3] & (1 << ((bit) & 7)))
> +#define BitIsOn(ptr, bit) !!(((BYTE *) (ptr))[(bit)>>3] & (1 << ((bit) & 7)))

Might want some parens here.

-- 
keith.packard at intel.com
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