ITS#5309 work

contrib/slapd-modules/smbk5pwd/smbk5pwd.c

include/ldap_pvt_thread.h

libraries/libldap_r/ldap_thr_debug.h

libraries/libldap_r/thr_debug.c

libraries/libldap_r/thr_stub.c

libraries/libldap_r/tpool.c

servers/slapd/back-bdb/cache.c

servers/slapd/back-bdb/search.c

servers/slapd/back-meta/conn.c

servers/slapd/back-sql/sql-wrap.c

servers/slapd/backend.c

servers/slapd/connection.c

servers/slapd/operation.c

servers/slapd/overlays/memberof.c

servers/slapd/passwd.c

servers/slapd/sl_malloc.c