sysutils/screen: Update to 4.9.0
Update screen to 4.9.0. From the release announcement: New in this release: * Hardstatus option for used encoding (escape string '%e') * Fixes: - fix combining char handling that could lead to a segfault - CVE-2021-26937: possible denial of service via a crafted UTF-8 character sequence (bug #60030) - make screen exit code be 0 when checking --help - session names limit is 80 symbols (bug #61534) - option -X ignores specified user in multiuser env (bug #37437) - a lot of reformations/fixes/cleanups (man page and source code) For full list of changes see https://git.savannah.gnu.org/cgit/screen.git/log/?h=v.4.9.0 Note that CVE-2021-26937 was fixed in the FreeBSD port in 2021.
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