[TwigBridge] removed superflous ; when rendering form_enctype() (closes #8660)
merged branch fabpot/form_enctype-fix (PR #8731)

This PR was merged into the 2.3 branch.

Discussion
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form_enctype() fix (closes #8660)

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | #8660
| License       | MIT
| Doc PR        | n/a

Commits
-------

572ba68 [TwigBridge] removed superflous ; when rendering form_enctype() (closes #8660)
Merge branch '2.2' into 2.3

* 2.2:
  corrected English grammar (s/does not exists/does not exist)
  [Process] Add more precision to Process::stop timeout
  [Process] Avoid zombie process in case of unit tests failure
  [Process] Fix #8739
  [Process] Add failing test for #8739
  [Process] Fix CS
  Fixed documentation grammar for AuthenticationManagerInterface::authenticate()
  [Validator] fixed the wrong isAbstract() check against the class (fixed #8589)
  [TwigBridge] Prevent code extension to display warning
  Use strstr instead of strpos

Conflicts:
	src/Symfony/Component/Finder/Shell/Command.php
	src/Symfony/Component/Process/Process.php
[Process] Fix #8742 : Signal-terminated processes are not successful