add LDAP_OPT_X_TLS_ECNAME

Author: remicollet

ext/ldap/ldap.c

@@ -3741,6 +3741,9 @@ static int _php_ldap_tls_newctx(LDAP *ld)
 #endif
 #ifdef LDAP_OPT_X_TLS_DHFILE
 		LDAP_OPT_X_TLS_DHFILE,
+#endif
+#ifdef LDAP_OPT_X_TLS_ECNAME
+		LDAP_OPT_X_TLS_ECNAME,
 #endif
 	0};