ipv6 zfreei reference

[Kip Macy]

you missed a reference to zfreei:
. /netinet6/in6_pcb.c:626:       zfreei(ipi->ipi_zone, inp);
> make
linking kernel
in6_pcb.o: In function `in6_pcbdetach':
in6_pcb.o(.text+0x6a2): undefined reference to `zfreei'