fix syntax error

CRM/Utils/Weight.php

@@ -88,7 +88,7 @@ class CRM_Utils_Weight {
    * @return bool
    */
   static function delWeight($daoName, $fieldID, $fieldValues = NULL, $weightField = 'weight') {
-    $object = new . $daoName();
+    $object = new $daoName();
     $object->id = $fieldID;
     if (!$object->find(TRUE)) {
       return FALSE;