6659 nvlist_free(NULL) is a no-op
Reviewed by: Toomas Soome <tsoome@me.com>
Reviewed by: Marcel Telka <marcel@telka.sk>
Approved by: Robert Mustacchi <rm@joyent.com>

6886081 Solaris needs reparse point support (PSARC 2009/387)
PSARC 2009/387 Pathname Reparse Points