$NetBSD: patch-ab,v 1.3 2000/03/26 08:29:25 jlam Exp $

--- book.h.orig	Fri Oct 15 23:41:03 1999
+++ book.h	Thu Feb 17 23:11:33 2000
@@ -23,5 +23,5 @@
      bug-gnu-chess@gnu.org
      cracraft@ai.mit.edu, cracraft@stanfordalumni.org, cracraft@earthlink.net
 */
-#define BOOKSRC "book.pgn"
-#define BOOKBIN	"book.dat"
+#define BOOKSRC LIBDIR "book.pgn"
+#define BOOKBIN	LIBDIR "book.dat"