Make windows test run on windows only

Author: Seldaek

Tests/FilesystemTest.php

@@ -477,9 +477,12 @@ public function providePathsForMakePathRelative()
  array('var/lib/symfony/', 'var/lib/symfony/src/Symfony/Component', '../../../'),
  array('/usr/lib/symfony/', '/var/lib/symfony/src/Symfony/Component', '../../../../../../usr/lib/symfony/'),
  array('/var/lib/symfony/src/Symfony/', '/var/lib/symfony/', 'src/Symfony/'),
- array('c:\var\lib/symfony/src/Symfony/', 'c:/var/lib/symfony/', 'src/Symfony/'),
  );
 
+ if (defined('PHP_WINDOWS_VERSION_MAJOR')) {
+ $paths[] = array('c:\var\lib/symfony/src/Symfony/', 'c:/var/lib/symfony/', 'src/Symfony/');
+ }
+
  return $paths;
  }