WIN32: File Save still enabled during #quit disclosure processing

> Below is the result of your feedback form.  It was submitted by
> <email deleted> on Tuesday, June 4, 2002 at 21:04:54
> After alt-Q or F)ile, Q)uitting, it is still possible to F)ile, S)ave your
> game.  By doing this after you are shown your inventory [fully identified] and
> attributes (It must be done before the last "Do you want to view your %1"
> dialog is answered--usually conduct), which means you can know what you are
> holding-- although it won't be officially identified.  But you can use it to
> avoid putting on, say, an amulet of strangulation by mistake.

win/win32/mhmain.c

@@ -709,7 +709,8 @@ LRESULT onWMCommand(HWND hWnd, WPARAM wParam, LPARAM lParam)
 		   break;
 
 		case IDM_SAVE:
-		   dosave();
+		   if (!program_state.gameover && !program_state.done_hup) dosave();
+		   else MessageBeep(0);
 		   break;
 
 		case IDM_MAP_TILES: