Fix a warning under HP-UX ANSI C++

[stockfish] / src / depth.h

diff --git a/src/depth.h b/src/depth.h
index 92ce6e22a0e6001ad26f1c86fca0f81b2feaccbb..05008e05c4fbfa04d405e3e542a69261f2fb5772 100644 (file)
--- a/src/depth.h
+++ b/src/depth.h
@@ -27,7 +27,8 @@
 
 enum Depth {
   DEPTH_ZERO = 0,
-  DEPTH_MAX = 200  // 100 * OnePly;
+  DEPTH_MAX = 200, // 100 * OnePly;
+  DEPTH_ENSURE_SIGNED = -1
 };