CRM-13958, fixed indentation for DAO's

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* CRM-13958: DAO's generated are not indented correctly
  http://issues.civicrm.org/jira/browse/CRM-13958

CRM/Core/CodeGen/Util/Template.php

@@ -15,6 +15,8 @@ class CRM_Core_CodeGen_Util_Template {
   function __construct($filetype) {
     $this->compileDir = CRM_Core_CodeGen_Util_File::createTempDir('templates_c_');
 
+    $this->filetype = $filetype;
+
     // TODO use Core Smarty
     require_once 'Smarty/Smarty.class.php';
     $this->smarty = new Smarty();