This is what it should be:
Code:
-rw-r--r-- 2 root wheel 871 Aug 8 2008 /usr/share/zoneinfo/Cuba
You can probably just delete that particular file/link, since you probably won't be referring to that timezone, but there may be other problems, too. Or, an archive-and-install of OSX (followed by deleting the "Previous Systems" folder) should put down a new zoneinfo "hive" and clear things up.