Fix arguments of type mismatch error message in wxGTK wxDVC.

The "required" and "actual" arguments were exchanged, making the message
pretty confusing.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@78291 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/dataview.cpp

@@ -2913,9 +2913,10 @@ static void wxGtkTreeCellDataFunc( GtkTreeViewColumn *WXUNUSED(column),
 
     if (value.GetType() != cell->GetVariantType())
     {
-        wxLogError( wxT("Wrong type, required: %s but: %s"),
+        wxLogError("Wrong type returned from the model: "
-                    value.GetType().c_str(),
+                   "%s required but actual type is %s",
-                    cell->GetVariantType().c_str() );
+                   cell->GetVariantType(),
+                   value.GetType());
     }
 
     cell->SetValue( value );