qemu-file: Make total_transferred 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>
Message-Id: <20230504113841.23130-8-quintela@redhat.com>
5 files changed