diff -r 9a5f47fbc5c3 -r 458831c574f4 ui/ui/ui.h
--- a/ui/ui/ui.h	Sat Apr 12 13:44:53 2014 +0200
+++ b/ui/ui/ui.h	Sat May 10 15:43:22 2014 +0200
@@ -37,6 +37,7 @@
 #include "button.h"
 #include "text.h"
 #include "properties.h"
+#include "tree.h"
 
 #endif	/* UI_H */