Fixes #1056. Window doesn't redraw his SuperView properly.

Terminal.Gui/Core/Window.cs

@@ -196,12 +196,8 @@ namespace Terminal.Gui {
 
 			// Checks if there are any SuperView view which intersect with this window.
 			if (SuperView != null) {
-				foreach (var view in SuperView.Subviews) {
-					if (view != this && view.Frame.IntersectsWith (Bounds)) {
-						view.SetNeedsLayout ();
-						view.SetNeedsDisplay (view.Bounds);
-					}
-				}
+				SuperView.SetNeedsLayout ();
+				SuperView.SetNeedsDisplay ();
 			}
 		}