Log Message:
Changes 1.9.2:

User-visible changes:
  - Client-side bugfixes:
    * svn: fix crash when saving credentials in kwallet (r1700740, r1700951)
    * checkout/update: fix "access denied" error on Windows (r1701064 \ 
et al)
    * update: fix crash when updating a conflicted tree (r1702198, r1702200)
    * commit: fix possible crash (r1702231)
    * ra_serf: do not crash on unexpected 'X-SVN-VR-Base' headers (r1702288)
    * merge: fix crash when merging to a local add (r1702299 et al)
    * svnmucc: fix error during propset+put for existing file (r1702467 et al)
    * update: fix crash without .svn/tmp folder (r1701838, r1702203)
    * checkout: remove unnecessary I/O operation (r1701638)
    * merge: fix possible crash (r1701997)
    * update: fix crash with some of the incoming deletes (r1702247)
    * upgrade: fix crash for pre-1.3 wc with externals (r1702218 et al)
    * revert: fix crash when reverting the root of a move (r1702237 et al)
    * svn: do not crash upon specific database corruptions (r1702974, r1702991)
    * svn: show utf8proc version in svn --version --verbose (r1702533, r1702891)

  - Server-side bugfixes:
    * fix reporting for empty representations in svnfsfs stats (r1698312 et al)

Developer-visible changes:
  - General:
    * fix svnfsfs_tests.py in fsfs-v4 and fsfs-v6 modes (r1700215 et al)

  - API changes:
    * disable unsupported operations for standard streams