A new ungrab-winmodem entry

[Richard Heurtley <richard@xxxxxxxxxxxx>]

I had to add the entry:

>         /* Toshiba Libretto U100 */
>         { 0x8086, 0x24c6, PCI_ANY_ID, PCI_ANY_ID },
to ungrab-winmodem.c to get the slmodem-2.9.11-20070505 driver to work 
on my Toshiba Libretto U100.