- added vid_setsize CCMD and fixed some issues with window restoration when switching from fullscreen.

Windows apparently cannot both undo borderless fullscreen and resize the window at the same time, so this must delay the resizing one frame.

src/d_main.cpp

@@ -680,10 +680,10 @@ void D_Display ()
 	// fullscreen toggle has been requested
 	if (setmodeneeded)
 	{
+		setmodeneeded = false;
 		screen->ToggleFullscreen(fullscreen);
 		V_OutputResized(screen->GetWidth(), screen->GetHeight());
-		setmodeneeded = false;
-			}
+	}
 
 	// change the view size if needed
 	if (setsizeneeded)