nftables: update nftables userland tools from 0.4 to 0.5

Update nftables tools from 0.4 to 0.5, for ChangeLog see
http://git.netfilter.org/nftables/log/



Signed-off-by: Jens Rehsack <sno@netbsd.org>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>
Signed-off-by: Joe MacDonald <joe_macdonald@mentor.com>