prevent kernel panic at suspend/resume. confirmed by: sanpei, joe PR: kern/15742 (FreeBSD), 1.3->1.4 fix
prevent kernel panic at suspend/resume.
confirmed by: sanpei, joe
PR: kern/15742 (FreeBSD), 1.3->1.4 fix

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