[NaCl SDK] Consistent use of copyright header.

native_client_sdk/src/libraries/nacl_io/mount_html5fs.h

-/* 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.
- */
+// 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.
+
 #ifndef LIBRARIES_NACL_IO_MOUNT_HTML5FS_H_
 #define LIBRARIES_NACL_IO_MOUNT_HTML5FS_H_
 
 #include <pthread.h>
 
 #include "nacl_io/mount.h"
 #include "nacl_io/pepper_interface.h"
 #include "nacl_io/typed_mount_factory.h"
 #include "sdk_util/simple_lock.h"
 
@@ skipping 30 matching lines @@
 
   pthread_cond_t filesystem_open_cond_;
   sdk_util::SimpleLock filesysem_open_lock_;
 
   friend class TypedMountFactory<MountHtml5Fs>;
 };
 
 }  // namespace nacl_io
 
 #endif  // LIBRARIES_NACL_IO_MOUNT_HTML5FS_H_