Merge remote-tracking branch 'upstream/master' into data_generation

src/uci.h

@@ -1,6 +1,6 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
-  Copyright (C) 2004-2020 The Stockfish developers (see AUTHORS file)
+  Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file)
 
   Stockfish is free software: you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
@@ -24,6 +24,8 @@
 
 #include "types.h"
 
+namespace Stockfish {
+
 class Position;
 
 namespace UCI {
@@ -81,6 +83,6 @@ void setoption(const std::string& name, const std::string& value);
 
 extern UCI::OptionsMap Options;
 
-extern const char* StartFEN;
+} // namespace Stockfish
 
 #endif // #ifndef UCI_H_INCLUDED