ddk/wdm.h: Remove the inline definition of `InterlockedAdd64()`.

The definition brought in indirectly by <intrin.h> renders this obsolete
and it causes redefinition errors. It is also strange that no other
`Interlocked*64` functions are ever defined in <wdm.h>.

Signed-off-by: Liu Hao <lh_mouse@126.com>
1 file changed