protect pfkeyv2_dump_walker with spltdb().  Noticed by mpech@, thanks!
protect pfkeyv2_dump_walker with spltdb().  Noticed by mpech@, thanks!

ok ho@ markus@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars