K 10
svn:author
V 3
gnn
K 8
svn:date
V 27
2012-12-10T21:18:02.116637Z
K 7
svn:log
V 165
MFC: 238979

When we return with an error we cannot unlock the mutex, because
it's been freed.  Protect against that, hopefully unlikely, case.

Reviewed by:	rpaulo

END