qemu-file: Make rate_limit_used an uint64_t

Change all the functions that use it.  It was already passed as
uint64_t.

Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: CĂ©dric Le Goater <clg@kaod.org>
Message-Id: <20230508130909.65420-6-quintela@redhat.com>
2 files changed