libwebp: update snapshot to v0.2.0-rc1

third_party/libwebp/dec/layer.c

-// Copyright 2011 Google Inc.
+// Copyright 2011 Google Inc. All Rights Reserved.
 //
 // This code is licensed under the same terms as WebM:
 //  Software License Agreement:  http://www.webmproject.org/license/software/
 //  Additional IP Rights Grant:  http://www.webmproject.org/license/additional/
 // -----------------------------------------------------------------------------
 //
 // Enhancement layer (for YUV444/422)
 //
 // Author: Skal (pascal.massimino@gmail.com)
 
 #include <assert.h>
 #include <stdlib.h>
-#include "vp8i.h"
+
+#include "./vp8i.h"
 
 #if defined(__cplusplus) || defined(c_plusplus)
 extern "C" {
 #endif
 
 //------------------------------------------------------------------------------
 
 int VP8DecodeLayer(VP8Decoder* const dec) {
   assert(dec);
   assert(dec->layer_data_size_ > 0);
   (void)dec;
 
   // TODO: handle enhancement layer here.
 
   return 1;
 }
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }    // extern "C"
 #endif