X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=book.c;h=c40cd925895c6bf42541188e68da96a62aec5c10;hb=0a3919ff10a347a8d840f75fd2c816efe52e5098;hp=ebf242f18ee047eb83c681a5cb3b565bbd980eff;hpb=b67e67cd4676f466611db765230669be89893b09;p=xboard.git

diff --git a/book.c b/book.c
index ebf242f..c40cd92 100644
--- a/book.c
+++ b/book.c
@@ -35,6 +35,7 @@
 #include <math.h>
 
 #include "common.h"
+#include "frontend.h"
 #include "backend.h"
 #include "moves.h"
 #include "gettext.h"