(svn r17853) -Codechange: remove the 'delta' parameter from OnResize; it was used in ways that aren't always wanted, causing bugs and the like. Also with nested widgets most reasons for handling OnResize have gone.

src/news_gui.cpp

@@ -991,7 +991,7 @@ struct MessageHistoryWindow : Window {
 		}
 	}
 
-	virtual void OnResize(Point delta)
+	virtual void OnResize()
 	{
 		this->vscroll.SetCapacity(this->GetWidget<NWidgetBase>(MHW_BACKGROUND)->current_y / this->line_height);
 	}