ITS#4535 add umask to restrict file access to creator

tests/scripts/defines.sh

@@ -13,6 +13,8 @@
 ## top-level directory of the distribution or, alternatively, at
 ## <http://www.OpenLDAP.org/license.html>.
 
+umask 077
+
 MONITORDB=${AC_monitor-no}
 BACKLDAP=${AC_ldap-ldapno}
 BACKMETA=${AC_meta-metano}