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

source/libvpx/vp8/common/debugmodes.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.
  */
 
@@ skipping 79 matching lines @@
         {
             int b_col;
             int bindex;
 
             for (b_col = 0; b_col < 4 * cols; b_col++)
             {
                 mb_index = (b_row >> 2) * (cols + 1) + (b_col >> 2);
                 bindex = (b_row & 3) * 4 + (b_col & 3);
 
                 if (mi[mb_index].mbmi.mode == B_PRED)
-                    fprintf(mvs, "%2d ", mi[mb_index].bmi[bindex].mode);
+                    fprintf(mvs, "%2d ", mi[mb_index].bmi[bindex].as_mode);
                 else
                     fprintf(mvs, "xx ");
 
             }
 
             fprintf(mvs, "\n");
         }
     }
     fprintf(mvs, "\n");
 
@@ skipping 37 matching lines @@
             }
 
             fprintf(mvs, "\n");
         }
     }
     fprintf(mvs, "\n");
 
 
     fclose(mvs);
 }