enumeration apr_finfo_t.filetype, which is done when forgetting
the previously-derived file type
use the appropriate enum value APR_NOFILE instead
Also change comparisons of the field with 0 to use APR_NOFILE instead,
as is the practice of some existing code.
git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@983065 13f79535-47bb-0310-9956-ffa450edef68
