Fix/work-around for compilation problem: abstract method was not

defined. coug36: I think your r9532 broke something, there is
possible a better way of fixing this.


git-svn-id: svn+ssh://svn.code.sf.net/p/supertuxkart/code/main/trunk@9534 178a84e3-b1eb-0310-8ba1-8eac791a3b58

src/states_screens/dialogs/message_dialog.hpp

@@ -44,7 +44,7 @@ public:
           * \note  The dialog is not closed automatically, close it in the callback if this
           *        behavior is desired.
           */
-        virtual void onConfirm() = 0;
+        virtual void onConfirm() {};
         
         /** \brief Implement to be notified of dialog cancelled.
           * \note  The default implementation is to close the modal dialog, but you may override