Fix fallout from https://github.com/aclements/go-moremath/commit/0ff62e0875ff52f29a54f430cefa15e4775c99b2
Fix fallout from https://github.com/aclements/go-moremath/commit/0ff62e0875ff52f29a54f430cefa15e4775c99b2

cockroachdb/benchstat