libwebp: update to 0.4.2-rc2

third_party/libwebp/dsp/lossless.c

 // Copyright 2012 Google Inc. All Rights Reserved.
 //
 // Use of this source code is governed by a BSD-style license
 // that can be found in the COPYING 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.
 // -----------------------------------------------------------------------------
 //
 // Image transforms and color space conversion methods for lossless decoder.
@@ skipping 1160 matching lines @@
       ColorCodeToMultipliers(*pred++, &m);
       VP8LTransformColorInverse(&m, data, tile_width);
       data += tile_width;
     }
     if (data < data_end) {  // Left-overs using C-version.
       ColorCodeToMultipliers(*pred++, &m);
       VP8LTransformColorInverse(&m, data, remaining_width);
       data += remaining_width;
     }
     ++y;
-    if ((y & mask) == 0) pred_row += tiles_per_row;;
+    if ((y & mask) == 0) pred_row += tiles_per_row;
   }
 }
 
 // Separate out pixels packed together using pixel-bundling.
 // We define two methods for ARGB data (uint32_t) and alpha-only data (uint8_t).
 #define COLOR_INDEX_INVERSE(FUNC_NAME, TYPE, GET_INDEX, GET_VALUE)             \
 void FUNC_NAME(const VP8LTransform* const transform,                           \
                int y_start, int y_end, const TYPE* src, TYPE* dst) {           \
   int y;                                                                       \
   const int bits_per_pixel = 8 >> transform->bits_;                            \
@@ skipping 438 matching lines @@
 #endif
 #if defined(WEBP_USE_MIPS32)
     if (VP8GetCPUInfo(kMIPS32)) {
       VP8LDspInitMIPS32();
     }
 #endif
   }
 }
 
 //------------------------------------------------------------------------------