Fix casting warnings under Intel Compiler

[stockfish] / src / piece.h

diff --git a/src/piece.h b/src/piece.h
index e0dcc783baa433881814deba72097cd39ab0919a..d7f11b6c3a7ec7c3980efb3546d565a00bc742b6 100644 (file)
--- a/src/piece.h
+++ b/src/piece.h
@@ -160,7 +160,7 @@ inline bool piece_is_ok(Piece pc) {
 //// Prototypes
 ////
 
-extern char piece_type_to_char(PieceType pt, bool upcase = false);
+extern int piece_type_to_char(PieceType pt, bool upcase = false);
 extern PieceType piece_type_from_char(char c);