net/rsync upgrade to 3.2.2

Major changes and bugfixes:
3.1.3 -> 3.2.0

• Avoid potential out-of-bounds read in daemon mode
• Fix defaul list list of skip-compress files for non-daemon transfers
• Fix xattr filter rules losing an 'x' attribute in a non-local transfer
• zlib fixes for CVE-2016-9843, CVE-2016-9842, CVE-2016-9841, and CVE-2016-9840
• Fixed a crash in the --iconv code
• Checksum enhancements, including the addition of xxhash
• The checksum preference order of the negotiation can be customized or forced
• Compression enhancements, including the addition of zstd and lz4 compression algorithms
• Added openssl & preliminary gnutls support to the rsync-ssl script
• Added the proxy protocol daemon parameter that allows your rsyncd to know the real remote IP when it is setup behind a proxy
  
  3.2.0 -> 3.2.1
• Fix potential issue with MD5 assembly-language code
• option --backup-dir=STR now implies --backup
  
  3.2.1 -> 3.2.2
• Avoid a crash when a daemon module enables transfer logging without setting a log format value

Full release message: https://download.samba.org/pub/rsync/NEWS#3.2.2

Security: CVE-2016-9843 CVE-2016-9842 CVE-2016-9841 CVE-2016-9840
MFH after: 2 weeks
MFH: 2020Q3