* libnautilus-private/filesystem-attributes.xml: add support for JFS
* libnautilus-private/nautilus-volume-monitor.c:
(close_error_pipe), (mount_unmount_callback): Set locale to "C"
before running mount/umoun to be able to parse mount message in english
* po/fr.po: Add missing '\n' in one translation which was
oversizing Nautilus Preference Dialog