[syslinux] PxeLinux menu.c32 chaining

[H. Peter Anvin]

Samuel Clements wrote:
> 
> I had the Intel 945G board that was having similar problems a few months 
> back, but you fixed it. I have recently run across a laptop that seems 
> to exhibit the same problem however. With no physical floppy, I get a 
> Invalid disk error. With a USB floppy attached, my MS-DOS images boot 
> just fine. I can fill you in with the specifics as you'd like...
>   -Sam
> 

The more details, the better...

	-hpa