libvpx: Pull from upstream

source/libvpx/vp9/common/vp9_idct.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 <math.h>
 
 #include "./vp9_rtcd.h"
+#include "vpx_ports/mem.h"
 #include "vp9/common/vp9_blockd.h"
 #include "vp9/common/vp9_idct.h"
 #include "vp9/common/vp9_systemdependent.h"
 
 static INLINE uint8_t clip_pixel_add(uint8_t dest, tran_high_t trans) {
   trans = WRAPLOW(trans, 8);
   return clip_pixel(WRAPLOW(dest + trans, 8));
 }
 
 void vp9_iwht4x4_16_add_c(const tran_low_t *input, uint8_t *dest, int stride) {
@@ skipping 2833 matching lines @@
 
 void vp9_highbd_iht16x16_add(TX_TYPE tx_type, const tran_low_t *input,
                            uint8_t *dest, int stride, int eob, int bd) {
   if (tx_type == DCT_DCT) {
     vp9_highbd_idct16x16_add(input, dest, stride, eob, bd);
   } else {
     vp9_highbd_iht16x16_256_add(input, dest, stride, tx_type, bd);
   }
 }
 #endif  // CONFIG_VP9_HIGHBITDEPTH