Merge branch '2.2' into 2.3

* 2.2:
  fixed typo in CS translation (closes #8069)
  fix arab translation
  [Finder] Fixed a path in a test.
  [Form] [Validator] Fixed post_max_size = 0 bug (Issue #8065)

Author: fabpot

Extension/Validator/Constraints/FormValidator.php

@@ -121,7 +121,7 @@ public function validate($form, Constraint $constraint)
         if ($form->isRoot() && null !== $length) {
             $max = $this->serverParams->getPostMaxSize();
 
-            if (null !== $max && $length > $max) {
+            if (!empty($max) && $length > $max) {
                 $this->context->addViolation(
                     $config->getOption('post_max_size_message'),
                     array('{{ max }}' => $this->serverParams->getNormalizedIniPostMaxSize()),

Tests/Extension/Validator/Constraints/FormValidatorTest.php

@@ -660,6 +660,7 @@ public function getPostMaxSizeFixtures()
             array(1024, '1K', 0),
             array(null, '1K', 0),
             array(1024, '', 0),
+            array(1024, 0, 0),
         );
     }