(ITS#6784) Spurious mutex unlock in authzid.c

[h.b.furuseth@usit.uio.no]

Full_Name: Hallvard B Furuseth
Version: HEAD
OS: 
URL: 
Submission from: (NULL) (193.157.198.89)
Submitted by: hallvard


authzid_conn_find() in contrib/slapd-modules/authzid/authzid.c can do
	ldap_pvt_thread_mutex_unlock( &authzid_mutex );
even though every code path from
	ldap_pvt_thread_mutex_lock( &authzid_mutex );
elsewhere in authzid.c leads to an unlock statement of its own.