Update xterm to rev 119 via SR 788540
    
    https://build.opensuse.org/request/show/788540
    by user msmeissn + dimstar_suse
    - Patch #353 - 2020/02/01
      - amend change in patch #352 for button-events to fix a case where some followup events were not processed soon enough (report/patch by Jimmy Aguilar Mena).
      - handle MappingNotify X event, to improve recovery when switching keyboard configurations using xkbcomp (prompted by discussion with Frank Mosch, Debian #661295). There is more work needed here, possibly in the X libraries.
      - improve discussion of mouse-mode in ctlseqs.ms (suggested by Igor van den Hoven).
      - further improve checks for Xft max-advance-width to take into account fonts which use two cells for ambiguous width characters. Also improve the time used for these checks (reports by Yuri Pankov, Frank Mosch).
      - fix a few spelling errors reported by codespell (report by Jens Schleusener).
      - mo