Bug#686636: Please backport virtio-scsi to wheezy

[Ron <ron@debian.org>]

Hi,

The virtio_scsi module got backported to the 3.2.39-1 kernel,
but it appears it didn't get added to the virtio-modules udeb
for the wheezy kernels -- which means you can switch to using
it for an already installed wheezy guest in a VM, but you can't
install a new VM configured to use it with the wheezy installer.

Please consider adding this to virtio-modules for the wheezy
branch to complete this (very welcome!) backport.

  Thanks!
  Ron