fix missing backup-enabled setting entry

Signed-off-by: Michael Kaufmann (d00p) <d00p@froxlor.org>

actions/admin/settings/110.accounts.php

@@ -185,7 +185,6 @@ return array(
 							'onlyif' => 1
 					)
 				),
-				),
 				'system_backupenabled' => array(
 					'label' => $lng['serversettings']['backupenabled'],
 					'settinggroup' => 'system',
@@ -197,6 +196,6 @@ return array(
 				),
 			),
 		),
+	)
 );
 
-?>