[libvirt-rust] change in coding style to follow rustfmt

[Andrea Bolognani]

On Wed, 2020-01-29 at 11:05 +0100, Sahid Orentino Ferdjaoui wrote:
> I'm proposing to merge a change [0] so the CI would check whether the
> source code is well-formatted using rustfmt [1].
> 
> The aim is to add an easy convention to follow regarding the coding
> style.

This is an obviously good idea, so I'm all for it.

Reviewed-by: Andrea Bolognani <abologna at redhat.com>

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Andrea Bolognani / Red Hat / Virtualization