fixed a wrong directory in distinct.test

'../tmp/data1.tmp' FROM t1 WHERE fruit_name = 'APPLE';

LOAD DATA INFILE '../tmp/data1.tmp' INTO TABLE t2;

--error 0,1

--remove_file $MYSQL_TEST_DIR/var/tmp/data1.tmp

--remove_file $MYSQLTEST_VARDIR/tmp/data1.tmp

SELECT DISTINCT @v19:= fruit_id, @v20:= fruit_name INTO OUTFILE 

'../tmp/data2.tmp' FROM t1 WHERE fruit_name = 'APPLE';

LOAD DATA INFILE '../tmp/data2.tmp' INTO TABLE t2;

--remove_file $MYSQL_TEST_DIR/var/tmp/data2.tmp

--remove_file $MYSQLTEST_VARDIR/tmp/data2.tmp

SELECT @v19, @v20;

SELECT * FROM t2;