LogDog: Update client/bootstrap to generate URLs.

logdog/client/butlerlib/streamclient/client_namedPipe_posix.go

 // Copyright 2015 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 // +build darwin dragonfly freebsd linux netbsd openbsd
 
 package streamclient
 
 import (
         "fmt"
@@ skipping 14 matching lines @@
 func newUnixSocketClient(path string) (Client, error) {
         // Ensure that the supplied path exists and is a named pipe.
         info, err := os.Lstat(path)
         if err != nil {
                 return nil, fmt.Errorf("failed to stat file [%s]: %s", path, err)
         }
         if info.Mode()&os.ModeSocket == 0 {
                 return nil, fmt.Errorf("not a named pipe: [%s]", path)
         }
 
-        return &clientImpl{func() (io.WriteCloser, error) {
-                return net.Dial("unix", path)
-        }}, nil
+        return &clientImpl{
+                factory: func() (io.WriteCloser, error) {
+                        return net.Dial("unix", path)
+                },
+        }, nil
 }