codesniffer fixes

Author: lukeholder

src/Message/RestPurchaseResponse.php

@@ -2,6 +2,7 @@
 /**
  * MultiSafepay Rest Api Purchase Response.
  */
+
 namespace Omnipay\MultiSafepay\Message;
 
 use Omnipay\Common\Message\RedirectResponseInterface;
@@ -87,21 +88,21 @@
  * </code>
  */
 class RestPurchaseResponse extends RestAbstractResponse implements RedirectResponseInterface
-{ 
+{
     /**
      * Is the response successful?
      *
-     * @return boolean
+     * @return bool
      */
     public function isSuccessful()
     {
         if ($this->isRedirect()) {
             return false;
         }
-        
+
         return parent::isSuccessful();
     }
-    
+
     /**
      * {@inheritdoc}
      */
@@ -115,8 +116,8 @@ public function isRedirect()
      */
     public function getRedirectUrl()
     {
-        if (! $this->isRedirect()) {
-            return null;
+        if (!$this->isRedirect()) {
+            return;
         }
 
         return $this->data['data']['payment_url'];
@@ -135,6 +136,6 @@ public function getRedirectMethod()
      */
     public function getRedirectData()
     {
-        return null;
+        return;
     }
 }