Improved the call of a deprecated function

~dev_rating/application/classes/Controller/Handler/Sign.php

@@ -13,7 +13,7 @@ class Controller_Handler_Sign extends Controller_Handler {
             $checklogin = true; $response['success'] = false;
             if(!$this->post->check())
             {
-                $this->post = Validation::factory($this->post->as_array());
+                $this->post = Validation::factory($this->post->data());
                 $this->post->rule('login', 'alpha_dash')->rule('login', 'not_empty');
                 if(!$this->post->check())
                 {