recent commit breaks buildkernel

[Gary Jennejohn]

commit ff3a85d32411cdd7894f932b1d3d7ce01ec7a648 breaks buildkernel
if options INET6 is not in the kernel config file.

The breakage is in the new lltable_get function.  It needs #ifdef INET6
around case AF_INET6.

-- 
Gary Jennejohn