Add missing IsAcceptedKey to the wxGridCellEditor interface

interface/wx/grid.h

@@ -555,6 +555,16 @@ public:
     */
     virtual void StartingKey(wxKeyEvent& event);
 
+    /**
+       Return @true to allow the given key to start editing: the base class
+       version only checks that the event has no modifiers. 
+
+       If the key is F2 (special), editing will always start and this
+       method will not be called at all (but StartingKey() will)
+    */
+    virtual bool IsAcceptedKey(wxKeyEvent& event);
+    
+
     /**
        Returns the value currently in the editor control.
      */