[2.3] More cs fixes
minor #12840 [2.3] More cs fixes (GrahamCampbell)

This PR was squashed before being merged into the 2.3 branch (closes #12840).

Discussion
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[2.3] More 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 fixes some more cs issues in symfony 2.3.

I should be done with cs fixes to the 2.3 branch now. Sorry I missed these in my last pull.

Commits
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b034b08 [2.3] More cs fixes