MFH: r474275 r477601

mail/dovecot: upgrade to 2.3.2.1.
v2.3.2 still had a few unexpected bugs:

• SSL/TLS servers may have crashed during client disconnection
• lmtp: With lmtp_rcpt_check_quota=yes mail deliveries may have sometimes assert-crashed.
• v2.3.2: "make check" may have crashed with 32bit systems

mail/dovecot, mail/dovecot22: suppress harmless error message when the symlink in /var/run/dovecot
to the config file doesn't exist.

PR: 225078
Reported by: pkubaj@anongoth.pl
Reviewed by: adamw

Approved by: ports-secteam (miwi)