Janitor: list.h functions defined but not used

[Reece Dunn]

2009/4/20 Detlef Riekenberg <wine.dev at web.de>:
> On Mo, 2009-04-20 at 10:01 +0200, Henri Verbeet wrote:
>> More specifically, you need to protect this with an #ifdef.
>
>> #ifdef __GNUC__
>> #define __WINE_ATTR_UNUSED __attribute__((unused))
>> #else
>> #define __WINE_ATTR_UNUSED
>> #endif
>
> Support for compiler specific features should be tested during
> configure.