setup.php: Get 'datadirectory' from config file instead of 'datadir'

Signed-off-by: Aloisio Almeida Jr <aloisiojr@gmail.com>

lib/setup.php

@@ -3,7 +3,7 @@
 $hasSQLite = (is_callable('sqlite_open') or class_exists('SQLite3'));
 $hasMySQL = is_callable('mysql_connect');
 $hasPostgreSQL = is_callable('pg_connect');
-$datadir = OC_Config::getValue('datadir', $SERVERROOT.'/data');
+$datadir = OC_Config::getValue('datadirectory', $SERVERROOT.'/data');
 $opts = array(
 	'hasSQLite' => $hasSQLite,
 	'hasMySQL' => $hasMySQL,