small refactoring

classes/OwncloudFile.php

@@ -319,11 +319,7 @@ class OwncloudFile implements FileType
      */
     public function convertToStandardFile()
     {
-        $url = Config::get()->OWNCLOUD_ENDPOINT ?: UserConfig::get($GLOBALS['user']->id)->OWNCLOUD_ENDPOINT_USER;
-        if ($url[strlen($url) - 1] !== "/") {
-            $url .= "/";
-        }
-        $webdav = $url . "remote.php/webdav/";
+        $webdav = OwncloudFolder::getWebDavURL();
 
         $header = array();
         $header[] = OwnCloudFolder::getAuthHeader();