3984 savecore erroneously claims you must be root to use it
4021 savecore getbounds() should try harder
Reviewed by: Dave Pacheco <dap@joyent.com>
Approved by: Richard Lowe <richlowe@richlowe.net>
	[illumos-gate merge]

commit ae449904a90a5ea664537524927d1e6c0c1b11cd
    3984 savecore erroneously claims you must be root to use it
    4021 savecore getbounds() should try harder