RE: [virtio] [PATCH] makediff: make it work for fresh checkout

[Parav Pandit <parav@nvidia.com>]

> From: virtio@lists.oasis-open.org <virtio@lists.oasis-open.org> On Behalf Of
> Michael S. Tsirkin
> 
> 1st time one checks out our repo, latexdiff submodule is not initialized. Pass --
> init to update command to initialize it. It seems to be harmless if already
> initialized.
> 
> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

Tested-by: Parav Pandit <parav@nvidia.com>