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git2svn
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svn:date
V 27
2022-09-29T22:37:39.673783Z
K 7
svn:log
V 551
telnetd: fix two-byte input crash

Move initialization of the slc table earlier so it doesn't get
accessed before that happens.

For details on the issue, see:
https://pierrekim.github.io/blog/2022-08-24-2-byte-dos-freebsd-netbsd-telnetd-netkit-telnetd-inetutils-telnetd-kerberos-telnetd.html

Reviewed by:	cy
Obtained from:	NetBSD via cy
Differential Revision:	https://reviews.freebsd.org/D36680

(cherry picked from commit 6914ffef4e2318ca1d0ead28eafb6f06055ce0f8)

Git Hash:   f2aa49e7fda515163da188ec75dba223e2e52216
Git Author: brooks@FreeBSD.org
END