Add cond/rdwr destroy routines.

include/ldap_pvt_thread.h

@@ -202,6 +202,9 @@ ldap_pvt_thread_yield LDAP_P(( void ));
 LDAP_F int 
 ldap_pvt_thread_cond_init LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 
+LDAP_F int 
+ldap_pvt_thread_cond_destroy LDAP_P(( ldap_pvt_thread_cond_t *cond ));
+
 LDAP_F int 
 ldap_pvt_thread_cond_signal LDAP_P(( ldap_pvt_thread_cond_t *cond ));
 
@@ -241,6 +244,8 @@ typedef struct ldap_pvt_thread_rdwr_var {
 LDAP_F int 
 ldap_pvt_thread_rdwr_init LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 LDAP_F int 
+ldap_pvt_thread_rdwr_destroy LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
+LDAP_F int 
 ldap_pvt_thread_rdwr_rlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));
 LDAP_F int 
 ldap_pvt_thread_rdwr_runlock LDAP_P((ldap_pvt_thread_rdwr_t *rdwrp));