updated vendors

Author: fabpot

app/SymfonyRequirements.php

@@ -492,6 +492,12 @@ function_exists('simplexml_import_dom'),
 
         /* optional recommendations follow */
 
+        $this->addRecommendation(
+            version_compare($installedPhpVersion, '5.3.4', '>='),
+            sprintf('Your project might not work properly ("Notice: Trying to get property of non-object") due to the PHP bug #52083 before PHP 5.3.4 (%s installed)', $installedPhpVersion),
+            'Install PHP 5.3.4 or newer'
+        );
+
         $this->addRecommendation(
             version_compare($installedPhpVersion, '5.3.8', '>='),
             sprintf('Annotations might not work properly due to the PHP bug #55156 before PHP 5.3.8 (%s installed)', $installedPhpVersion),