[Console] fix code style

Prevent fabbot from complaining when the `SymfonyStyle` class or the
`StyleInterface` are modified.

src/Symfony/Component/Console/Style/StyleInterface.php

@@ -12,7 +12,7 @@
 namespace Symfony\Component\Console\Style;
 
 /**
- * Output style helpers
+ * Output style helpers.
  *
  * @author Kevin Bond <kevinbond@gmail.com>
  */
@@ -132,7 +132,7 @@ interface StyleInterface
     public function choice($question, array $choices, $default = null);
 
     /**
-     * Add newline(s)
+     * Add newline(s).
      *
      * @param int $count The number of newlines
      */