style(9) fix and don't need #ifdef KERNEL. _KERNEL checking is enough for all *bsd.
style(9) fix and don't need #ifdef KERNEL. _KERNEL checking is enough
for all *bsd.

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