Minor cleanup

#include <stdio.h>

#include <stdlib.h>

#include <time.h>

#include "nest/bird.h"

#else

static inline struct bfd_request * bfd_request_session(pool *p, ip_addr addr, ip_addr local, struct iface *iface, void (*hook)(struct bfd_request *), void *data) { return NULL; }

static inline struct bfd_request * bfd_request_session(pool *p UNUSED, ip_addr addr UNUSED, ip_addr local UNUSED, struct iface *iface UNUSED, void (*hook)(struct bfd_request *) UNUSED, void *data UNUSED) { return NULL; }

static inline void cf_check_bfd(int use) { if (use) cf_error("BFD not available"); }