The function virtio_del_queue was not called at unrealize() callback.
This was detected due to add an allocated element on the vq introduce
in future commits (used_elems) and running address sanitizer memory
leak detector.
Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Message-Id: <20191025083527.30803-4-eperezma@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>