We can't just create the temporary file in the current directory. If that

directory isn't writable, htpasswd won't work.  This adds a function
whose responsibility it is to find a valid directory for temporary files.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@97136 13f79535-47bb-0310-9956-ffa450edef68