--- a/uitools_plat/cdl_api/inc/CdlCompilerToolkit/CdlTkProcess.h	Thu Dec 17 09:14:18 2009 +0200
+++ b/uitools_plat/cdl_api/inc/CdlCompilerToolkit/CdlTkProcess.h	Mon Jan 18 21:13:05 2010 +0200
@@ -20,8 +20,11 @@
 #include <CdlCompilerToolkit/CdlTkInterface.h>
 #include <CdlCompilerToolkit/CdlTkInstance.h>
 #include <fstream>
+#include <memory>
 
 namespace CdlCompilerToolkit {
+class CCdlTkApi;
+class CCdlTkInterface;
 
 /**
 * CCdlTkProcess
@@ -385,6 +388,8 @@
     * Called when an API is found that is only in the left hand interface
     */
 	virtual void ApiNotInRight(const CCdlTkApi& aApi) = 0;
+
+	virtual ~MCdlTkApiCheckObserver(){}
 	};
 
 /**