Make sure that 'make distclean' cleans out all files that are not meant

[postgresql] / src / test / bench / query29

insert into tenk1 (unique1, unique2, two, four, ten, twenty, hundred, thousand, twothousand, fivethous, tenthous, odd, even, stringu1, stringu2, string4) values (1000, 70, 0, 2, 0, 10, 50, 688, 1950, 4950, 9950, 1, 100, 'ron may choi', 'jae kwang choi', 'u. c. berkeley');
insert into tenk1 (unique1, unique2, two, four, ten, twenty, hundred, thousand, twothousand, fivethous, tenthous, odd, even, stringu1, stringu2, string4) values (500, 40, 0, 2, 0, 10, 50, 688, 1950, 4950, 9950, 1, 100, 'ron may choi', 'jae kwang choi', 'u. c. berkeley');