Improve previous patch

[stockfish] / src / misc.h

diff --git a/src/misc.h b/src/misc.h
index 58646aaf505a7175d9583dbbbbdf56f02774ded5..29d35d5bb545b6488ac7fb6bc5be323f18a9b27c 100644 (file)
--- a/src/misc.h
+++ b/src/misc.h
@@ -38,7 +38,7 @@ extern void dbg_mean_of(int v);
 extern void dbg_print();
 
 class Position;
-extern Move move_from_uci(const Position& pos, std::string str);
+extern Move move_from_uci(const Position& pos, std::string& str);
 extern const std::string move_to_uci(Move m, bool chess960);
 extern const std::string move_to_san(Position& pos, Move m);