Fix bug in packager: force all files to be "php"

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@996 48356398-32a2-884e-a903-53898d9a118a

package.php

@@ -13,6 +13,7 @@ $pkg->setOptions(
         'packagedirectory' => dirname(__FILE__) . '/library',
         'filelistgenerator' => 'file',
         'include' => array('*'),
+        'dir_roles' => array('/' => 'php'), // hack to put .ser in the right place
         'ignore' => array('HTMLPurifier.auto.php'),
     )
 );