X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbook.h;h=1b7b72c4d90c0f9b326c1657a9db891cc7e1337b;hp=b68f7bfcadb8ad258c4a8a0da0182e9f8fd479d2;hb=cb08413dc4e51ac246887613184b51b46bf11226;hpb=711ef615c7e8386365f5b16ed97d596399032235

diff --git a/src/book.h b/src/book.h
index b68f7bfc..1b7b72c4 100644
--- a/src/book.h
+++ b/src/book.h
@@ -60,7 +60,7 @@ public:
   ~Book();
   void open(const std::string& fName);
   void close();
-  const std::string file_name() const;
+  const std::string file_name();
   Move get_move(const Position& pos);
 
 private: