libvpx: Pull from upstream

source/libvpx/test/idct8x8_test.cc

 /*
  *  Copyright (c) 2012 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 106 matching lines @@
       src[j] = rnd.Rand8();
       dst[j] = rnd.Rand8();
     }
     // Initialize a test block with input range [-255, 255].
     for (int j = 0; j < 64; ++j)
       input[j] = src[j] - dst[j];
 
     reference_dct_2d(input, output_r);
     for (int j = 0; j < 64; ++j)
       coeff[j] = round(output_r[j]);
-    vp9_idct8x8_64_add_c(coeff, dst, 8);
+    vpx_idct8x8_64_add_c(coeff, dst, 8);
     for (int j = 0; j < 64; ++j) {
       const int diff = dst[j] - src[j];
       const int error = diff * diff;
       EXPECT_GE(1, error)
           << "Error: 8x8 FDCT/IDCT has error " << error
           << " at index " << j;
     }
   }
 }
 
 }  // namespace