Add disk utilization to terse format output

Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/client.c b/client.c
index 56accf0..c72f034 100644
--- a/client.c
+++ b/client.c
@@ -647,7 +647,7 @@
 		log_info("\nDisk stats (read/write):\n");
 	}
 
-	print_disk_util(&du->dus, &du->agg);
+	print_disk_util(&du->dus, &du->agg, terse_output);
 }
 
 static void convert_jobs_eta(struct jobs_eta *je)