Index: tasks-0.13/libkoto/ical-util.c
===================================================================
--- tasks-0.13.orig/libkoto/ical-util.c	2010-11-01 17:20:30.966937170 +0300
+++ tasks-0.13/libkoto/ical-util.c	2010-11-01 17:20:55.370936493 +0300
@@ -33,6 +33,7 @@
     }                                                                   \
   }
 
+#include <config.h>
 #include "ical-util.h"
 
 #include <glib.h>