Don't do any decoding on the password field (#163)

Fixes #162

Author: bendem

htdocs/login.php

@@ -19,7 +19,7 @@
 if ($pass) {
     $user             = array();
     $user['login']    = get_request('login');
-    $user['password'] = get_request('login_pass', 'POST', false, '');
+    $user['password'] = get_request('login_pass', 'POST', false, '', false);
 
     if ($user['login'] && !strlen($user['password'])) {
         system_message(array(