Save.php: Replaced some constants against defines

extension/qfq/qfq/Save.php

@@ -317,7 +317,7 @@ class Save {
 
         foreach ($this->feSpecNative AS $formElement) {
             // skip non upload formElements
-            if ($formElement[FE_TYPE] != 'upload') {
+            if ($formElement[FE_TYPE] != FE_TYPE_UPLOAD) {
                 continue;
             }
 
@@ -329,7 +329,7 @@ class Save {
             // Preparation for Log, Debug
             $this->store->setVar(SYSTEM_FORM_ELEMENT, Logger::formatFormElementName($formElement), STORE_SYSTEM);
 
-            $column = $formElement['name'];
+            $column = $formElement[FE_NAME];
             $pathFileName = $this->doUpload($formElement, $formValues[$column], $sip, $modeUpload);
 
             // Upload Type: Simple or Advanced