Fix license headers in a number of files

third_party/libjingle/overrides/talk/base/win32socketinit.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Redirect Libjingle's winsock initialization activity into Chromium's
 // singleton object that managest precisely that for the browser.
 
 #include "talk/base/win32socketinit.h"
 
 #include "net/base/winsock_init.h"
 
 #ifndef WIN32
 #error "Only compile this on Windows"
 #endif
 
 namespace talk_base {
 
 void EnsureWinsockInit() {
   net::EnsureWinsockInit();
 }
 
 }  // namespace talk_base