minor #18033 [DoctrineBridge] reference form type by name on Symfony 2.7 (xabbuh)

This PR was merged into the 2.7 branch.

Discussion
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[DoctrineBridge] reference form type by name on Symfony 2.7

| Q             | A
| ------------- | ---
| Branch        | 2.7
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets |
| License       | MIT
| Doc PR        |

Note: This change must be reverted after being merged into the `2.8` branch.

Commits
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609a6fe reference form type by name on Symfony 2.7
This commit is contained in:
Fabien Potencier 2016-03-07 17:27:51 +01:00
commit f1b218bb18

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