Update libvpx snapshot to v0.9.7-p1 (Cayuga).

source/libvpx/vp8/common/coefupdateprobs.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.
  */
 
 
 /* Update probabilities for the nodes in the token entropy tree.
    Generated file included by entropy.c */
 
-const vp8_prob vp8_coef_update_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [vp8_coef_tokens-1] =
+const vp8_prob vp8_coef_update_probs [BLOCK_TYPES] [COEF_BANDS] [PREV_COEF_CONTEXTS] [ENTROPY_NODES] =
 {
     {
         {
             {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
             {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
             {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
         },
         {
             {176, 246, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
             {223, 241, 252, 255, 255, 255, 255, 255, 255, 255, 255, },
@@ skipping 150 matching lines @@
             {250, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
             {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
         },
         {
             {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
             {254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
             {255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, },
         },
     },
 };