* libnautilus-extensions/nautilus-file-utilities.c:
(nautilus_get_user_directory), (nautilus_get_desktop_directory),
(nautilus_get_user_main_directory):
Fixed uninitialized static pointers.  Remove FIXME blurbs are
error checking happens "above" in nautilus-application now.

* src/nautilus-application.c:
(nautilus_app_check_user_directories), (nautilus_app_startup):
Add error checking for missing user directories with appropiate
FIXME for current bad names for these dirs.