libvpx: Pull from upstream

source/libvpx/vpx/vpx_codec_impl_bottom.h

Index: source/libvpx/vpx/vpx_codec_impl_bottom.h
===================================================================
--- source/libvpx/vpx/vpx_codec_impl_bottom.h	(revision 232227)
+++ source/libvpx/vpx/vpx_codec_impl_bottom.h	(working copy)
@@ -1,19 +0,0 @@
-/*
- *  Copyright (c) 2010 The WebM 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.
- */
-
-
-/*
- * This file is to be included at the bottom of the header files defining the
- * interface to individual codecs and contains matching blocks to those defined
- * in vpx_codec_impl_top.h
- */
-#ifdef __cplusplus
-}
-#endif