Change path handling in scripts

misc/testing/DB/setUserPasswordHashesToEmail.php

@@ -15,7 +15,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-require_once realpath(dirname(dirname(dirname(__DIR__))) . DIRECTORY_SEPARATOR . 'bootstrap.php');
+require_once dirname(__DIR__, 3) . DIRECTORY_SEPARATOR . 'bootstrap.php';
 
 use nntmux\db\DB;
 use nntmux\ColorCLI;