[LTP] [PATCH] sparse: Use offsetof macro to silence null ptr subtraction warning

[Luc Van Oostenryck]

On Mon, Mar 21, 2022 at 11:21:19AM +0000, Richard Palethorpe wrote:
> Subtracting (char *)0 is undefined behavior. Newer compilers warn
> about this unless it is done in system headers.

Thanks you, pushed now.

-- Luc