Eliminate 'library'+'executable' cruft.  Yes - this would be a dandy
  library at some point in the future (perhaps 2.1?) but for this moment,
  simplify.

  Also simplify over-decorated apu_htdbm_ prefixes to simply htdbm_


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@91768 13f79535-47bb-0310-9956-ffa450edef68