Add nexthop syntax to linkdelay stuff (since its on the image, might as well commit it!). This is the new ipfw syntax that allows matching on the nexthop destination chosen by ip_output.
Add nexthop syntax to linkdelay stuff (since its on the image, might
as well commit it!). This is the new ipfw syntax that allows matching
on the nexthop destination chosen by ip_output.

nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome,nmc-probe/emulab-nome