Call UpdateWindow after user responded to the safety message dialog,

so that the window can repaint areas damaged by the dialog before the
message pump is stopped while the boot is in progress.

sys/arch/hpc/stand/hpcboot/menu/rootwindow.cpp

@@ -1,4 +1,4 @@
-/* -*-C++-*-	$NetBSD: rootwindow.cpp,v 1.7 2003/12/21 03:22:20 uwe Exp $	*/
+/* -*-C++-*-	$NetBSD: rootwindow.cpp,v 1.8 2003/12/23 04:41:13 uwe Exp $	*/
 
 /*-
  * Copyright (c) 2001 The NetBSD Foundation, Inc.
@@ -152,6 +152,7 @@ RootWindow::proc(HWND w, UINT msg, WPARAM wparam, LPARAM lparam)
 				    TEXT("WARNING"),
 				    MB_ICONQUESTION | MB_YESNO) != IDYES)
 					break;
+				UpdateWindow(w);
 			}
 		boot:
 			SendMessage(_progress_bar->_window, PBM_SETPOS, 0, 0);