libvpx: Pull from upstream

source/libvpx/vpx_scale/vpxscale.h

-/*
- *  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.
- */
-
-
-#ifndef VPXSCALE_H
-#define VPXSCALE_H
-
-#include "vpx_scale/yv12config.h"
-
-extern void vp8_scale_frame(YV12_BUFFER_CONFIG *src,
-                            YV12_BUFFER_CONFIG *dst,
-                            unsigned char *temp_area,
-                            unsigned char temp_height,
-                            unsigned int hscale,
-                            unsigned int hratio,
-                            unsigned int vscale,
-                            unsigned int vratio,
-                            unsigned int interlaced);
-
-#endif