bug symfony#17307 [FrameworkBundle] Fix paths with % in it (like urlencoded) (scaytrase)

This PR was merged into the 2.3 branch.

Discussion
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[FrameworkBundle] Fix paths with % in it (like urlencoded)

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | Travis passed
| Fixed tickets | symfony#17306
| License       | MIT
| Doc PR        | none

Commits
-------

de7b4d7 Fix symfony#17306 Paths with % in it are note allowed (like urlencoded)

Author: fabpot

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -562,17 +562,17 @@ private function registerTranslatorConfiguration(array $config, ContainerBuilder
                 $dirs[] = dirname($r->getFileName()).'/../../Resources/translations';
             }
         }
-        $overridePath = $container->getParameter('kernel.root_dir').'/Resources/%s/translations';
+        $rootDir = $container->getParameter('kernel.root_dir');
         foreach ($container->getParameter('kernel.bundles') as $bundle => $class) {
             $reflection = new \ReflectionClass($class);
             if (is_dir($dir = dirname($reflection->getFileName()).'/Resources/translations')) {
                 $dirs[] = $dir;
             }
-            if (is_dir($dir = sprintf($overridePath, $bundle))) {
+            if (is_dir($dir = $rootDir.sprintf('/Resources/%s/translations', $bundle))) {
                 $dirs[] = $dir;
             }
         }
-        if (is_dir($dir = $container->getParameter('kernel.root_dir').'/Resources/translations')) {
+        if (is_dir($dir = $rootDir.'/Resources/translations')) {
             $dirs[] = $dir;
         }