--- GSSkipMutableArray.m.orig	2006-11-12 08:30:09.000000000 +0100
+++ GSSkipMutableArray.m	2008-05-03 09:01:46.000000000 +0200
@@ -24,6 +24,7 @@
 #include <Foundation/NSException.h>
 #include <Foundation/NSValue.h>
 #include <Foundation/NSEnumerator.h>
+#include <Foundation/NSDictionary.h>
 
 #include "GSSkipMutableArray.h"
 #include "GSIndexedSkipList.h"