rsync: fix CVEs for included zlib
rsync includes its own copy of zlib and doesn't recommend linking with
the system version [1].
Import CVE fixes that impact zlib version 1.2.8 [2] that is currently used
by rsync.
[1] https://git.samba.org/rsync.git/?p=rsync.git;a=blob;f=zlib/README.rsync
[2] https://nvd.nist.gov/vuln/search/results?form_type=Advanced&cves=on&cpe_version=cpe%3a%2fa%3agnu%3azlib%3a1.2.8
(From OE-Core rev:
a55fbb4cb489853dfb0b4553f6e187c3f3633f48)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
