use ALIGNBYTES for CMSG_ALIGN.
use ALIGNBYTES for CMSG_ALIGN.

this may be one of simplest solution, if you are in hurry you may
introduce it to freebsd-current >shin

for {net,open}bsd-current, I'll investigate more on the issues.

MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame,MarginC/kame