K 10
svn:author
V 8
cperciva
K 8
svn:date
V 27
2016-02-14T13:42:16.785419Z
K 7
svn:log
V 215
Don't dereference a pointer immediately after determining that it is
equal to NULL. [1]

While I'm here, s/xb/xbd/ (the name changed a long time ago but this
instance wasn't corrected).

Reported by:	PVS-Studio [1]

END