[PATCH 08/15] nios2: Use Linux kABI for syscall return

[Florian Weimer]

* Adhemerval Zanella:

> +#define INTERNAL_SYSCALL_ERROR_P(val, err) \
> +  ((unsigned long) (val) >= (unsigned long) -4095)

This should use unsigned long int.  Rest looks okay.

Thanks,
Florian