system_wrappers: Fix include header guards.

webrtc/system_wrappers/include/trace.h

 /*
  *  Copyright (c) 2012 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 independent wrapper for logging runtime information to file.
  *  Note: All log messages will be written to the same trace file.
  *  Note: If too many messages are written to file there will be a build up of
  *  messages. Apply filtering to avoid that.
  */
 
-#ifndef WEBRTC_SYSTEM_WRAPPERS_INTERFACE_TRACE_H_
-#define WEBRTC_SYSTEM_WRAPPERS_INTERFACE_TRACE_H_
+#ifndef WEBRTC_SYSTEM_WRAPPERS_INCLUDE_TRACE_H_
+#define WEBRTC_SYSTEM_WRAPPERS_INCLUDE_TRACE_H_
 
 #include "webrtc/common_types.h"
 #include "webrtc/typedefs.h"
 
 namespace webrtc {
 
 #if defined(WEBRTC_RESTRICT_LOGGING)
 // Disable all TRACE macros. The LOG macro is still functional.
 #define WEBRTC_TRACE true ? (void) 0 : Trace::Add
 #else
@@ skipping 54 matching lines @@
                   const TraceModule module,
                   const int32_t id,
                   const char* msg, ...);
 
  private:
   static volatile int level_filter_;
 };
 
 }  // namespace webrtc
 
-#endif  // WEBRTC_SYSTEM_WRAPPERS_INTERFACE_TRACE_H_
+#endif  // WEBRTC_SYSTEM_WRAPPERS_INCLUDE_TRACE_H_