Rename local variable in api.cc to avoid using C++0x keyword thread_local.

src/api.cc

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 5692 matching lines @@
 
 void HandleScopeImplementer::Iterate(ObjectVisitor* v) {
   v8::ImplementationUtilities::HandleScopeData* current =
       Isolate::Current()->handle_scope_data();
   handle_scope_data_ = *current;
   IterateThis(v);
 }
 
 
 char* HandleScopeImplementer::Iterate(ObjectVisitor* v, char* storage) {
-  HandleScopeImplementer* thread_local =
+  HandleScopeImplementer* scope_implementer =
       reinterpret_cast<HandleScopeImplementer*>(storage);
-  thread_local->IterateThis(v);
+  scope_implementer->IterateThis(v);
   return storage + ArchiveSpacePerThread();
 }
 
 } }  // namespace v8::internal