[syslinux] No sub-menus in complex.c32

[H. Peter Anvin]

Michael Madore wrote:
> 
> I commented out the call to fix_submenus() in menu/libmenu/menu.c and
> now my menu works.  This is with 3.20, so I still have to try with
> 3.63.  I haven't looked at fix_submenus() yet to see why it breaks
> submenus.
> 

Mmm, irony...

	-hpa