* Do not do Range requests if we use our own conditionals for validating

  a cache entity: If we get 304 the Range does not matter and otherwise the
  entity changed and we want to have the complete entity.

PR: 44579


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@636653 13f79535-47bb-0310-9956-ffa450edef68