libvpx: Pull from upstream

source/libvpx/vp9/vp9_iface_common.h

 /*
  *  Copyright (c) 2013 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 VP9_VP9_IFACE_COMMON_H_
 #define VP9_VP9_IFACE_COMMON_H_
 
+#include "vpx_ports/mem.h"
+
 static void yuvconfig2image(vpx_image_t *img, const YV12_BUFFER_CONFIG  *yv12,
                             void *user_priv) {
   /** vpx_img_wrap() doesn't allow specifying independent strides for
     * the Y, U, and V planes, nor other alignment adjustments that
     * might be representable by a YV12_BUFFER_CONFIG, so we just
     * initialize all the fields.*/
   int bps;
   if (!yv12->subsampling_y) {
     if (!yv12->subsampling_x) {
       img->fmt = VPX_IMG_FMT_I444;
@@ skipping 96 matching lines @@
   yv12->border  = (yv12->y_stride - img->w) / 2;
 #else
   yv12->border  = (img->stride[VPX_PLANE_Y] - img->w) / 2;
 #endif  // CONFIG_VP9_HIGHBITDEPTH
   yv12->subsampling_x = img->x_chroma_shift;
   yv12->subsampling_y = img->y_chroma_shift;
   return VPX_CODEC_OK;
 }
 
 #endif  // VP9_VP9_IFACE_COMMON_H_