Renaming the wrongly named second declaration of "remove_conffile_rollback" to "replace_conffile_with_symlink_rollback" likely will fix this problem (or at least an important part of it).
Cheers, Andreas BTW: That bug has nothing to do with upgrading packages from outside Debian. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]