editors/xvile: update to 9.8z

PRhangeLog: https://invisible-island.net/vile/CHANGES.html

• modify configure script to check validity of $IMAKE_LOADFLAGS
• modify curses driver to work around configurations of ncurses where the SIGWINCH handler has been disabled.
• modify vl_get_encoding() to allow for nl_langinfo(CODESET) returning an empty string, recover from this error using checks on the locale variable (report by David Snyder).
• updated wcwidth.c, from xterm #389
• modify spec-file to work around a bug in make 4.4.1
• reduce compiler-warnings in configure script checks.
• disallow newline in quoted string in ini filter.
• adjust dlsym lookup to account for special case of define_key, to avoid conflict with ncurses.
• fix mandoc warnings in vile.1
• fix a use-after-free in parse_nondirective() due to free() in the actual_color() function of key-filt.c
• change VIDEO_TEXT type to "unsigned", allowing display of Unicode values past BMP for drivers which support this.
• modify curses configuration to handle ncurses KEY_RESIZE (prompted by discussion with Sebastian Neuper).
• fix typo in cross-compile check in CF_KILLPG macro (Debian #1029956)
• update config.guess, config.sub

Reported by: dickey@invisible-island.net (maintainer)