Fix numlock state at ros startup

[Sylvain Petreolle]

Some bioses set numlock to on at startup.
Since ReactOS is setting it to off state,
the LED status must be set accordingly.

Attached patch fixes it.

Kind regards,

Usurp (aka Sylvain Petreolle)

humans are like computers,
yesterday the BIOS was all
- today its just a word