function i18n_node_language_list() undefined

i18n_access calls function i18n_node_language_list() which resides in i18n_node (part of i18n).
Result is a white screen of death...

Patch (sorry - no file here): add the dependency in i18n_access.info with this line:

dependencies[] = i18n_node

Greetings from Cologne - Kle