[2.3] CS Fixes

| Q             | A
| ------------- | ---
| Bug fix?      | no
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

##### This pull request provides some cs fixes.
So, do you like the empty blank line between the braces, because if so, we
need to fix this in php-cs-fixer.
On 21 Dec 2014 08:21, "Fabien Potencier" <notifications@github.com> wrote:

> In
> src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/Fixtures/UserProvider/DummyProvider.php
> <https://github.com/symfony/symfony/pull/13054#discussion-diff-22146448>:
>
> > @@ -20,6 +20,6 @@ public function getKey()
> >
> >      public function addConfiguration(NodeDefinition $node)
> >      {
> > -
> > +        //
>
> I don't like this empty comment. I'm not sure where this is done in other
> places in Symfony but I'd prefer a "real" empty class as I don't see what
> this empty comment brings us. Can you remove it here and in other places if
> this is indeed used elsewhere in the code? Thanks.
>
> —
> Reply to this email directly or view it on GitHub
> <https://github.com/symfony/symfony/pull/13054/files#r22146448>.
>