system_wrappers: Fix include header guards.

webrtc/system_wrappers/include/thread_wrapper.h

 /*
  *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 // System independant wrapper for spawning threads
 // Note: the spawned thread will loop over the callback function until stopped.
 // Note: The callback function is expected to return every 2 seconds or more
 // often.
 
-#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_THREAD_WRAPPER_H_
-#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_THREAD_WRAPPER_H_
+#ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_THREAD_WRAPPER_H_
+#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_THREAD_WRAPPER_H_
 
 #if defined(WEBRTC_WIN)
 #include <windows.h>
 #endif
 
 #include "webrtc/base/scoped_ptr.h"
 #include "webrtc/common_types.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
@@ skipping 57 matching lines @@
   // It's ok to call Stop() even if the spawned thread has been reclaimed.
   virtual bool Stop() = 0;
 
   // Set the priority of the worker thread.  Must be called when thread
   // is running.
   virtual bool SetPriority(ThreadPriority priority) = 0;
 };
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_THREAD_WRAPPER_H_
+#endif  // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_THREAD_WRAPPER_H_