correct in6_ifdetach().  free oia, not ia. From: Lennart Augustsson <augustss@augustsson.net>
correct in6_ifdetach().  free oia, not ia.
From: Lennart Augustsson <d1b094877de03ca9359422a1079983e44fd2da36@augustsson.net>

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