fix redirect on windows

redirect.go

@@ -1,3 +1,5 @@
+// +build !windows
+
 package gost
 
 import (

redirect_win.go

@@ -0,0 +1,17 @@
+// +build windows
+
+package gost
+
+import (
+	"errors"
+)
+
+type RedsocksTCPServer struct{}
+
+func NewRedsocksTCPServer(base *ProxyServer) *RedsocksTCPServer {
+	return &RedsocksTCPServer{}
+}
+
+func (s *RedsocksTCPServer) ListenAndServe() error {
+	return errors.New("Not supported")
+}