[PATCH v3] vhost: fix build issues with GCC 12

[Stephen Hemminger]

On Wed,  5 Oct 2022 22:35:24 +0200
Maxime Coquelin <maxime.coquelin at redhat.com> wrote:

> In practice, it would never happen since 'pkt->pkt_len' is
> unlikely to be close to UINT32_MAX, but let's just change
> 'size' to uint64_t to make the compiler happy without
> having to add runtime checks.


Would the standard typedef size_t work since that is what sizeof() returns.