delete.php: fixed typo

extension/qfq/api/delete.php

@@ -91,12 +91,14 @@ try {
     $answer[API_MESSAGE] = $e->formatMessage();
 
     $val = Store::getVar(SYSTEM_FORM_ELEMENT, STORE_SYSTEM);
-    if ($val !== false)
+    if ($val !== false) {
         $answer[API_FIELD_NAME] = $val;
+    }
 
     $val = Store::getVar(SYSTEM_FORM_ELEMENT_MESSAGE, STORE_SYSTEM);
-    if ($val !== false)
+    if ($val !== false) {
         $answer[API_FIELD_MESSAGE] = $val;
+    }
 
     $result[MSG_CONTENT] = json_encode($answer);