Only remove IPv6 default route if we had IPv6

Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>

diff --git a/vpnc-script b/vpnc-script
index 7c310678987c609a67bc828a0ba20954ffb13439..f110657e2d4cda039df02c631af7e836ebe97ebb 100755 (executable)
--- a/vpnc-script
+++ b/vpnc-script
@@ -606,7 +606,7 @@ do_disconnect() {
                for i in $INTERNAL_IP6_DNS ; do
                        del_ipv6_network_route "$i" "128"
                done
-       else
+       elif [ -n "$INTERNAL_IP6_NETMASK" -o -n "$INTERNAL_IP6_ADDRESS" ]; then
                reset_ipv6_default_route
        fi