net/netatalk3: Update to 3.1.17

See https://github.com/Netatalk/netatalk/releases/tag/netatalk-3-1-17
for the changes in this release.

Security:	CVE-2023-42464

net/netatalk3/Makefile

 PORTNAME=	netatalk
-PORTVERSION=	3.1.16
+PORTVERSION=	3.1.17
 PORTEPOCH=	1
 CATEGORIES=	net
 MASTER_SITES=	SF/${PORTNAME}/${PORTNAME}-${PORTVERSION:S/./-/g}

net/netatalk3/distinfo

-TIMESTAMP = 1694632765
-SHA256 (netatalk-3.1.16.tar.bz2) = 006aa0fa1e60606fccb1c39bc5fec3ccf552e7012e0d98950f1a96cd60b86056
-SIZE (netatalk-3.1.16.tar.bz2) = 1266168
+TIMESTAMP = 1696339404
+SHA256 (netatalk-3.1.17.tar.bz2) = 171df836be9f5c46ccd6d2a0cf90715dd7a11d90ca18983d997f91d2c6c761a9
+SIZE (netatalk-3.1.17.tar.bz2) = 1265333