get the test directory working again:

- use apr_dbm.h and the updated naming
- don't try to link against libap(util?) or libsdbm. just use libaprutil.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@87234 13f79535-47bb-0310-9956-ffa450edef68