--- a/messagingapp/msgui/appengine/inc/conversationsengine_p.h	Tue Aug 03 21:34:40 2010 +0530
+++ b/messagingapp/msgui/appengine/inc/conversationsengine_p.h	Fri Aug 06 23:19:50 2010 +0530
@@ -41,7 +41,7 @@
  *  @endcode
  *  @since S60 v10.1
  */
-class ConversationsEnginePrivate :public MCsResultsObserver
+class ConversationsEnginePrivate :public CBase, public MCsResultsObserver
     {
 
 public: