system_wrappers: rename interface -> include

webrtc/system_wrappers/source/sleep.cc

 /*
  *  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.
  */
 // An OS-independent sleep function.
 
-#include "webrtc/system_wrappers/interface/sleep.h"
+#include "webrtc/system_wrappers/include/sleep.h"
 
 #ifdef _WIN32
 // For Sleep()
 #include <windows.h>
 #else
 // For nanosleep()
 #include <time.h>
 #endif
 
 namespace webrtc {
 
 void SleepMs(int msecs) {
 #ifdef _WIN32
   Sleep(msecs);
 #else
   struct timespec short_wait;
   struct timespec remainder;
   short_wait.tv_sec = msecs / 1000;
   short_wait.tv_nsec = (msecs % 1000) * 1000 * 1000;
   nanosleep(&short_wait, &remainder);
 #endif
 }
 
 }  // namespace webrtc