[IPV4]: no need pass pointer to a default into fib_detect_death

ipv4: no need pass pointer to a default into fib_detect_death

Signed-off-by: Denis V. Lunev <den@openvz.org>
Acked-by: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --cc net/ipv4/fib_hash.c
Simple merge

diff --cc net/ipv4/fib_lookup.h
Simple merge

diff --cc net/ipv4/fib_semantics.c
Simple merge

diff --cc net/ipv4/fib_trie.c
Simple merge