[Buildroot] [PATCH] package/fetchmail: security bump to version 6.4.22

[Peter Korsgaard]

>>>>> "Peter" == Peter Korsgaard <peter at korsgaard.com> writes:

 > Fixes the following security issues:
 > - CVE-2021-39272: Fetchmail before 6.4.22 fails to enforce STARTTLS session
 >   encryption in some circumstances, such as a certain situation with IMAP
 >   and PREAUTH.
 >   https://www.fetchmail.info/fetchmail-SA-2021-02.txt

 > Update COPYING hash for a clarification of the license situation with
 > openssl 3.x (which is Apache 2.0 licensed):

 > https://gitlab.com/fetchmail/fetchmail/-/commit/8eed56c21ca5bbdf3c00aaf74d807bcad8713ba9

 > Signed-off-by: Peter Korsgaard <peter at korsgaard.com>

Committed to 2021.02.x, 2021.05.x and 2021.08.x, thanks.

-- 
Bye, Peter Korsgaard