* Check for symbolic links of the target file in the optimized case that we

  had already done this specific directory walk for this request. This can
  happen when we have an internal redirect, like the ones caused by mod_dir
  (/ -> index.html). See also

  http://mail-archives.apache.org/mod_mbox/httpd-dev/200607.mbox/%3c44B5521F.8050906@globalvanet.com%3e

Reviewed by: wrowe


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@423886 13f79535-47bb-0310-9956-ffa450edef68