Merge tag 'ipvs3-for-v4.12' of http://git.kernel.org/pub/scm/linux/kernel/git/horms/ipvs-next

Simon Horman says:

====================
Third Round of IPVS Updates for v4.12

please consider these enhancements to IPVS for v4.12.
If it is too late for v4.12 then please consider them for v4.13.

* Remove unused function
* Correct comparison of unsigned value
====================

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>