[libvirt] [PATCH] only remove masquerade rules in NAT mode

Hi, attached patch makes sure we only remove the masquerade rules if forwardType == VIR_NETWORK_FORWARD_NAT and not if forwardType == VIR_NETWORK_FORWARD_ROUTE since we don't use them there. This fixes: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=549949 O.k. to apply? -- Guido