libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_extend.c

 /*
  *  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.
  */
 
 #include "vpx_mem/vpx_mem.h"
+#include "vpx_ports/mem.h"
 
 #include "vp9/common/vp9_common.h"
 #include "vp9/encoder/vp9_extend.h"
 
 static void copy_and_extend_plane(const uint8_t *src, int src_pitch,
                                   uint8_t *dst, int dst_pitch,
                                   int w, int h,
                                   int extend_top, int extend_left,
                                   int extend_bottom, int extend_right) {
   int i, linesize;
@@ skipping 166 matching lines @@
   copy_and_extend_plane(src->u_buffer + src_uv_offset, src->uv_stride,
                         dst->u_buffer + dst_uv_offset, dst->uv_stride,
                         srcw_uv, srch_uv,
                         et_uv, el_uv, eb_uv, er_uv);
 
   copy_and_extend_plane(src->v_buffer + src_uv_offset, src->uv_stride,
                         dst->v_buffer + dst_uv_offset, dst->uv_stride,
                         srcw_uv, srch_uv,
                         et_uv, el_uv, eb_uv, er_uv);
 }