libwebp: update snapshot to v0.2.0-rc1

third_party/libwebp/enc/tree.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/
 // -----------------------------------------------------------------------------
 //
 // Token probabilities
 //
 // Author: Skal (pascal.massimino@gmail.com)
 
-#include "vp8enci.h"
+#include "./vp8enci.h"
 
 #if defined(__cplusplus) || defined(c_plusplus)
 extern "C" {
 #endif
 
 //------------------------------------------------------------------------------
 // Default probabilities
 
 // Paragraph 13.5
 const uint8_t
@@ skipping 475 matching lines @@
     }
   }
   if (VP8PutBitUniform(bw, probas->use_skip_proba_)) {
     VP8PutValue(bw, probas->skip_proba_, 8);
   }
 }
 
 #if defined(__cplusplus) || defined(c_plusplus)
 }    // extern "C"
 #endif