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

source/libvpx/examples/decoder_tmpl.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 24 matching lines @@
 
     va_start(ap, fmt);
     vprintf(fmt, ap);
     if(fmt[strlen(fmt)-1] != '\n')
         printf("\n");
     exit(EXIT_FAILURE);
 }
 
 @DIE_CODEC
 
+@HELPERS
+
 int main(int argc, char **argv) {
     FILE            *infile, *outfile;
     vpx_codec_ctx_t  codec;
     int              flags = 0, frame_cnt = 0;
     unsigned char    file_hdr[IVF_FILE_HDR_SZ];
     unsigned char    frame_hdr[IVF_FRAME_HDR_SZ];
     unsigned char    frame[256*1024];
     vpx_codec_err_t  res;
 @@@@EXTRA_VARS
 
@@ skipping 37 matching lines @@
 @@@@@@@@@@@@PROCESS_DX
         }
     }
     printf("Processed %d frames.\n",frame_cnt);
 @@@@DESTROY
 
     fclose(outfile);
     fclose(infile);
     return EXIT_SUCCESS;
 }