fix io::exec::rowids::test::test_stats

Change-Id: Ic0a4e492eb128316df95d04e3780547100b93de1

Author: ddupg

Cargo.lock

@@ -303,7 +303,7 @@ impl ExecutionPlan for AddRowAddrExec {
         // is a minimum size of 64 bytes.
         let mut added_byte_size = stats
             .num_rows
-            .map(|n| (n * 8).max(64))
+            .map(|n| n * 8)
             .add(&Precision::Exact(base_size));
         if row_id_col_stats
             .null_count