Index: modules/field/field.multilingual.inc
===================================================================
RCS file: /cvs/drupal/drupal/modules/field/field.multilingual.inc,v
retrieving revision 1.6
diff -u -p -r1.6 field.multilingual.inc
--- modules/field/field.multilingual.inc	4 Dec 2009 16:49:46 -0000	1.6
+++ modules/field/field.multilingual.inc	2 Jan 2010 12:32:58 -0000
@@ -34,7 +34,9 @@ function field_multilingual_settings_cha
  *   An array of valid language codes.
  */
 function field_multilingual_available_languages($obj_type, $field, $suggested_languages = NULL) {
-  $field_languages = &drupal_static(__FUNCTION__, array());
+  static $drupal_static = array();
+  isset($drupal_static[__FUNCTION__]) || ($drupal_static[__FUNCTION__] = &drupal_static(__FUNCTION__, array()));
+  $field_languages = &$drupal_static[__FUNCTION__];
   $field_name = $field['field_name'];
 
   if (!isset($field_languages[$field_name]) || !empty($suggested_languages)) {