[klibc] include: [sys/types.h] bury __kernel_nlink_t

We don't use it anywhere and it is gone on linux side
with bb8ac181a5cf50458a0d83b4460790badc9fdc16 for 3.5-rc1.
Fixes compiling against latest linux.

Signed-off-by: maximilian attems <max@stro.at>
1 file changed