[syslinux] syslinux-3.36 and 3.35 compilation broke /dev/null

[H. Peter Anvin]

Gilles Espinasse wrote:
> I have tested with 3.31 (does not broke /dev/null) and 3.35/3.36 that broke
> /dev/null
> 
> I verify that /dev/null exist, then compile one of the target available on
> top Makefile and /dev/null no more exist.

Okay, that's a bug, but you really shouldn't build things as root unless 
absolutely necessary.

	-hpa