Log Message:
x11/xterm: update to 396

Patch #396 - 2024/12/02

    fix stricter warnings provided by upcoming gcc 15, as well as NetBSD lint.
    modify title-stack test script, adding logging and command-replay options. \ 
Improved the script with new controls:
        add XTTITLEPOS query to get position in title-stack.
        add DECRQSS for XTSMTITLE.
    correct cursor-addressing limit for VT52 mode (report by Serguei Fichel).
    amend change in patch #395 for 7-bit parsing to allow UTF-8 titles (report \ 
by Dmytro Bagril).
    portability fixes for configure script, from ncurses
    update config.guess, config.sub