Enable early boot VNC access for FreeBSD.
Enable early boot VNC access for FreeBSD.

As pointed out by harmw, we need this small tweak
to enable early VNC access for FreeBSD.

Signed-off-by: Chris Lalancette <281cd07d7578d97c83271fbbf2faddb83ab3791c@gmail.com>

moofrank/oz,clalancette/oz,mgagne/oz,imcleod/oz,NeilBryant/oz,NeilBryant/oz,mgagne/oz,ndonegan/oz,nullr0ute/oz,imcleod/oz,nullr0ute/oz,cernops/oz,ndonegan/oz,cernops/oz,clalancette/oz,moofrank/oz