try without changing start_tls (test only)

Author: remicollet

ext/ldap/ldap.c

@@ -3708,9 +3708,6 @@ PHP_FUNCTION(ldap_start_tls)
 	VERIFY_LDAP_LINK_CONNECTED(ld);
 
 	if (((rc = ldap_set_option(ld->link, LDAP_OPT_PROTOCOL_VERSION, &protocol)) != LDAP_SUCCESS) ||
-#ifdef LDAP_OPT_X_TLS_NEWCTX
-		((rc = ldap_set_option(ld->link, LDAP_OPT_X_TLS_NEWCTX, &val)) != LDAP_OPT_SUCCESS) ||
-#endif
 		((rc = ldap_start_tls_s(ld->link, NULL, NULL)) != LDAP_SUCCESS)
 	) {
 		php_error_docref(NULL, E_WARNING,"Unable to start TLS: %s", ldap_err2string(rc));