system_wrappers: Fix include header guards.

webrtc/system_wrappers/include/utf_util_win.h

 /*
  *  Copyright (c) 2014 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.
  */
 
 // Conversion functions for UTF-8 and UTF-16 strings on Windows.
 // Duplicated from talk/base/win32.h.
-#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_UTF_UTIL_H_
-#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_UTF_UTIL_H_
+#ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_UTF_UTIL_H_
+#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_UTF_UTIL_H_
 
 #ifdef WIN32
 #include <windows.h>
 #include <string>
 
 #include "webrtc/base/scoped_ptr.h"
 
 namespace webrtc {
 
 inline std::wstring ToUtf16(const char* utf8, size_t len) {
@@ skipping 22 matching lines @@
   return ToUtf8(wide, wcslen(wide));
 }
 
 inline std::string ToUtf8(const std::wstring& wstr) {
   return ToUtf8(wstr.data(), wstr.length());
 }
 
 }  // namespace webrtc
 
 #endif  // WIN32
-#endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_UTF_UTIL_H_
+#endif  // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_UTF_UTIL_H_