wgengine: fix windows build for winipcfg-go

Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>

wgengine/ifconfig_windows.go

@@ -16,13 +16,13 @@ import (
 	"time"
 	"unsafe"
 
-	"github.com/go-ole/go-ole"
+	ole "github.com/go-ole/go-ole"
+	winipcfg "github.com/tailscale/winipcfg-go"
 	"github.com/tailscale/wireguard-go/device"
 	"github.com/tailscale/wireguard-go/tun"
 	"github.com/tailscale/wireguard-go/wgcfg"
 	"golang.org/x/sys/windows"
 	"golang.org/x/sys/windows/registry"
-	"golang.zx2c4.com/winipcfg"
 	"tailscale.com/wgengine/winnet"
 )
 

wgengine/router_windows.go

@@ -7,9 +7,9 @@ package wgengine
 import (
 	"log"
 
+	winipcfg "github.com/tailscale/winipcfg-go"
 	"github.com/tailscale/wireguard-go/device"
 	"github.com/tailscale/wireguard-go/tun"
-	"golang.zx2c4.com/winipcfg"
 	"tailscale.com/logger"
 )
 
@@ -43,7 +43,7 @@ func (r *winRouter) Up() error {
 }
 
 func (r *winRouter) SetRoutes(rs RouteSettings) error {
-	err := ConfigureInterface(&rs.Cfg, r.nativeTun, rs.DNS, rs.DNSDomains)
+	err := ConfigureInterface(rs.Cfg, r.nativeTun, rs.DNS, rs.DNSDomains)
 	if err != nil {
 		r.logf("ConfigureInterface: %v\n", err)
 		return err

wgengine/rtnlmon/mon.go

@@ -2,6 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
+// +build !windows
+
 // Package rtnlmon watches for "interesting" changes to the network
 // stack and fires a callback.
 package rtnlmon