libwebp: update to 0.5.0

third_party/libwebp/utils/thread.h

 // Copyright 2011 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.
 // -----------------------------------------------------------------------------
 //
 // Multi-threaded worker
@@ skipping 61 matching lines @@
   // must call Reset() again.
   void (*End)(WebPWorker* const worker);
 } WebPWorkerInterface;
 
 // Install a new set of threading functions, overriding the defaults. This
 // should be done before any workers are started, i.e., before any encoding or
 // decoding takes place. The contents of the interface struct are copied, it
 // is safe to free the corresponding memory after this call. This function is
 // not thread-safe. Return false in case of invalid pointer or methods.
 WEBP_EXTERN(int) WebPSetWorkerInterface(
-    const WebPWorkerInterface* const interface);
+    const WebPWorkerInterface* const winterface);
 
 // Retrieve the currently set thread worker interface.
 WEBP_EXTERN(const WebPWorkerInterface*) WebPGetWorkerInterface(void);
 
 //------------------------------------------------------------------------------
 
 #ifdef __cplusplus
 }    // extern "C"
 #endif
 
 #endif  /* WEBP_UTILS_THREAD_H_ */