Spotted by itkes@fat.imed.msu.ru, the fn_hash_dump_bucket() main
loop does not increment 'i' properly, and thus routes will not
be listed, when the test 'i < s_i' passes.

The bug was added when the code was converted over to
hlist_for_each_entry() by your's truly.
Signed-off-by: David S. Miller <davem@davemloft.net>