6478257 adt_export_session_data() will segv if auditing is off.

[gary.wini...@sun.com]

Author: gww
Repository: /hg/onnv/onnv-gate
Revision: 856bc9a000472bdb0ddc2f7593b3eaa551a30a67
Log message:
6478257 adt_export_session_data() will segv if auditing is off.

Files:
        update: usr/src/lib/libbsm/common/adt.c