d-l and syslinux warnings

[jpryzby+d at quoininc.com (Justin Pryzby)]

Hi Everyone,

The following lines from syslinux.cfg cause warnings for sid usb-hdd
image using syslinux:

|LABEL floppy
|        localboot 0x00
|
|LABEL disk1
|        localboot 0x80
|
|LABEL disk2
|        localboot 0x81
|
|LABEL nextboot
|        localboot -1

"Unknown keyword in syslinux.cfg"

Justin