--- cvs.h.orig	2009-03-25 22:19:20.000000000 +0100
+++ cvs.h	2010-06-08 20:19:07.000000000 +0200
@@ -28,6 +28,7 @@
 #define CVS_H
 
 #include <signal.h>
+#include <time.h>
 
 #include "config.h"
 #include "file.h"