[Validator] Fixed StaticMethodLoader on systems that don't have E_STRICT enabled by default
ommited space
minor #10956 [Validator] Fixed StaticMethodLoaderTest on systems that don't have E_STRICT enabled by default (webmozart)

This PR was merged into the 2.3 branch.

Discussion
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[Validator] Fixed StaticMethodLoaderTest on systems that don't have E_STRICT enabled by default

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

Commits
-------

a470ae2 [Validator] Fixed StaticMethodLoader on systems that don't have E_STRICT enabled by default
Merge branch '2.3' into 2.4

* 2.3:
  [WIP][Finder] Fix wrong implementation on sortable callback comparator
  ommited space
  [Validator] Fixed StaticMethodLoader on systems that don't have E_STRICT enabled by default
  Include file path in exception
  [Process] Add validation on Process input
Merge branch '2.4'

* 2.4:
  [WIP][Finder] Fix wrong implementation on sortable callback comparator
  ommited space
  [Validator] Fixed StaticMethodLoader on systems that don't have E_STRICT enabled by default
  Include file path in exception
  [Process] Add validation on Process input

Conflicts:
	src/Symfony/Component/Process/Process.php
	src/Symfony/Component/Process/ProcessBuilder.php
	src/Symfony/Component/Process/Tests/ProcessBuilderTest.php