Log Message:
Update xmess to 0.62.2.

Changes since 0.62.1nb1 include:
- Fixed problems in memory.c that could lead to crashes and default.cfg
  corruption.  (smf)
- Aspect and mode switches are now available for the Xv driver even if
  DGA isn't enabled.
- The 'rc' and 'hi' directories are now created on startup if they're
  missing.  (Gerd Sussner)