MAGETWO-99509: Download Option not working in Exports

- Fix delete and download file failure, when appending secret key to url is enabled

Author: mcahriman

app/code/Magento/ImportExport/Controller/Adminhtml/Export/File/Delete.php

@@ -25,7 +25,7 @@ class Delete extends ExportController implements HttpGetActionInterface
     /**
      * url to this controller
      */
-    const URL = 'admin/export_file/delete';
+    const URL = 'adminhtml/export_file/delete';
 
     /**
      * @var Filesystem

app/code/Magento/ImportExport/Controller/Adminhtml/Export/File/Download.php

@@ -23,7 +23,7 @@ class Download extends ExportController implements HttpGetActionInterface
     /**
      * url to this controller
      */
-    const URL = 'admin/export_file/download/';
+    const URL = 'adminhtml/export_file/download/';
 
     /**
      * @var FileFactory