codestyle - remove trailing whitespaces

Structural/Decorator/Decorator.php

@@ -21,7 +21,7 @@ abstract class Decorator implements RendererInterface
     /**
      * You must type-hint the wrapped component :
      * It ensures you can call renderData() in the subclasses !
-     * 
+     *
      * @param RendererInterface $wrappable
      */
     public function __construct(RendererInterface $wrappable)

Structural/Decorator/Tests/DecoratorTest.php

@@ -46,7 +46,7 @@ class DecoratorTest extends \PHPUnit_Framework_TestCase
 
     /**
      * Second key-point of this pattern : the decorator is type-hinted
-     * 
+     *
      * @expectedException \PHPUnit_Framework_Error
      */
     public function testDecoratorTypeHinted()