Fix a typo in bitboard.h

Introduced by previous patch.

Spotted by Joerg Oster

No functional change.

diff --git a/src/bitboard.h b/src/bitboard.h
index d15d883843048aa4d2f155cc92c2cd0a24bc7ba4..859fc958c88f60b8c88d4375fe1f53503ac3be7b 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -258,7 +258,7 @@ inline Bitboard attacks_bb(Square s, Bitboard occ) {
 /// lsb()/msb() finds the least/most significant bit in a nonzero bitboard.
 /// pop_lsb() finds and clears the least significant bit in a nonzero bitboard.
 
-#ifdef BSFQ
+#ifdef USE_BSFQ
 
 #  if defined(_MSC_VER) && !defined(__INTEL_COMPILER)