dirmngr: Allow command VERSIONCHECK to handle 3 part version numbers.
* dirmngr/server.c (parse_version_string): Add arg MICRO and set it. (cmp_version): Extend to handle the MICRO part. (confucius_mktmpdir): Rename to my_mktmpdir. (my_mktmpdir): xstrconcat does not fail; use strconcat. (fetch_into_tmpdir): Improve error checking.
- Signed-off-by: Werner Koch <wk@gnupg.org>