ixgb_get_stats() just returns dev->stats so we can leave it
out altogether and let dev_get_stats() do the job.
Suggested-by: NJoe Perches <joe@perches.com>
Signed-off-by: NTobias Klauser <tklauser@distanz.ch>
Tested-by: NAaron Brown <aaron.f.brown@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>