@@ -550,7 +550,7 @@ struct NewGRFTextfileWindow : public Tex
this->LoadTextfile(textfile, NEWGRF_DIR);
}
/* virtual */ void SetStringParameters(int widget) const
void SetStringParameters(int widget) const override
{
if (widget == WID_TF_CAPTION) {
SetDParam(0, STR_CONTENT_TYPE_NEWGRF);