updated VENDORS for 2.5.3

Author: fabpot

app/SymfonyRequirements.php

@@ -602,6 +602,12 @@ function_exists('utf8_decode'),
             'Install and enable the <strong>XML</strong> extension.'
         );
 
+        $this->addRecommendation(
+            function_exists('filter_var'),
+            'filter_var() should be available',
+            'Install and enable the <strong>filter</strong> extension.'
+        );
+
         if (!defined('PHP_WINDOWS_VERSION_BUILD')) {
             $this->addRecommendation(
                 function_exists('posix_isatty'),
@@ -662,7 +668,7 @@ class_exists('Locale'),
         $this->addRecommendation(
             $accelerator,
             'a PHP accelerator should be installed',
-            'Install and enable a <strong>PHP accelerator</strong> like APC (highly recommended).'
+            'Install and/or enable a <strong>PHP accelerator</strong> (highly recommended).'
         );
 
         if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {