[HttpFoundation] Fixed copy pasted comment from FlashBag in AttributeBag
merged branch phc/2.1 (PR #7569)

This PR was merged into the 2.1 branch.

Discussion
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[HttpFoundation] Fixed copy pasted comment from FlashBag in AttributeBag

| Q             | A
| ------------- | ---
| Bug fix?      | [no]
| New feature?  | [no]
| BC breaks?    | [no]
| Deprecations? | [no]
| Tests pass?   | [yes] I assume : only changed a comment word
| License       | MIT

Commits
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815eb61 [HttpFoundation] Fixed copy pasted comment from FlashBag in AttributeBag
Merge branch '2.1' into 2.2

* 2.1:
  [HttpFoundation] Fixed copy pasted comment from FlashBag in AttributeBag
  [FrameworkBundle] fixed the discovery of the PHPUnit configuration file when using aggregate options like in -vc app/ (closes #7562)
  [WebProfilerBundle] removed next pointer class in a template