fix update functions errors

Author: cake17

config/bootstrap.php

@@ -17,7 +17,7 @@
 // Validate the Configure Data
 $validator = new ConfigValidator();
 
-$errors = $validator->setErrors(Configure::read('Recaptcha'));
+$errors = $validator->errors(Configure::read('Recaptcha'));
 
 if (!empty($errors)) {
     $errMsg = '';

src/Controller/Component/RecaptchaComponent.php

@@ -49,7 +49,7 @@ class RecaptchaComponent extends Component
     public function setController($controller)
     {
         // Add the helper on the fly
-        if (!in_array('Recaptcha.Recaptcha', $controller->viewBuilder()->setHelpers())) {
+        if (!in_array('Recaptcha.Recaptcha', $controller->viewBuilder()->getHelpers())) {
             $controller->viewBuilder()->setHelpers(['Recaptcha.Recaptcha'], true);
         }
     }