K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2006-06-16T16:17:52.000000Z
K 7
svn:log
V 245
Never zero-out db_last_symtab. Whan backtraces are done
in parallel in several threads, one symbol lookup could
clear db_last_symtab when another one going to use it as
starting point for traversal.

Approved by:	pjd (mentor)
MFC after:	1 month

END