checkbox in settings ui

apps/files_external/lib/config.php

@@ -34,7 +34,7 @@ class OC_Mount_Config {
 	* If the configuration parameter should be secret, add a '*' to the beginning of the value
 	* If the configuration parameter is a boolean, add a '!' to the beginning of the value
 	* If the configuration parameter is optional, add a '&' to the beginning of the value
-	* If the configuration parameter is hidden, add a '#' to the begining of the value
+	* If the configuration parameter is hidden, add a '#' to the beginning of the value
 	* @return array
 	*/
 	public static function getBackends() {
@@ -118,6 +118,7 @@ class OC_Mount_Config {
 			'configuration' => array(
 				'host' => 'Host',
 				'port' => 'Port',
+				'use_logon_credentials' => '!Use ownCloud login',
 				'user' => 'Username',
 				'password' => '*Password',
 				'zone' => 'Zone'));