pfg 2c313e6688 Prevent a double free.
This is similar to r281756 so set the ptr NULL after free as a safety belt
against future changes.

Obtained from:	HardenedBSD (b2e77ced9ae213d358b44d98f552d9ae4636ecac)
Submitted by:	Oliver Pinter
Revewed by:	rmacklem
2015-04-20 16:40:13 +00:00
..
2014-10-15 13:22:33 +00:00
2015-04-20 16:40:13 +00:00