Fixed PHP notices in mailman installer.

tbrehm

2011-07-22 8fe9ab67555e62100f764676f47f3ebb1a22ad8a

 interface/lib/classes/auth.inc.php

@@ -123,6 +123,15 @@
         exit;
      }
   }
	
   public function get_random_password($length = 8) {
      $base64_alphabet='ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/';
      $password = '';
      for ($n=0;$n<$length;$n++) {
         $password.=$base64_alphabet[mt_rand(0,63)];
      }
      return $password;
   }
      
}