fixed Access filtr in Data_Source

SE/se-lib/Data_Source.php

@@ -385,8 +385,9 @@ class Data_Source {
 					$usrAclGroups[] = '';// TODO: allow empty for everyone?
 					$sqlUsrAclGroups = "'" . implode("','", $usrAclGroups) . "'";
 					$sqlFltr = "
-						t.`{$this->_fieldGroupWrite}` in({$sqlUsrAclGroups})
-						or t.`{$this->_fieldGroupRead}` in({$sqlUsrAclGroups})
+						(	t.`{$this->_fieldGroupWrite}` in({$sqlUsrAclGroups})
+							or t.`{$this->_fieldGroupRead}` in({$sqlUsrAclGroups})
+						)
 					";
 					if (array_key_exists('L_APPOITMENT_USER', $this->_cols)) {
 						$sqlFltr = "