[U-Boot] Prevent null pointer dereference originating in cmd_pxe.c

[Fabio Estevam]

On Mon, Oct 7, 2013 at 10:51 AM, Steven Falco <stevenfalco at gmail.com> wrote:

> Sorry - I've been having trouble getting Thunderbird to leave my text
> alone.  There was some insane "flowed text" setting that I just discovered
> and disabled.

Better send patches via 'git send-email' as this can avoid these kind
of email client issues.