Log Message:
Update to 1.0.21:

Version 1.0.21 (2009-12-13)
  * Add a couple of new binary programs to programs/ dir.
  * Remove sndfile-jackplay (now in sndfile-tools package).
  * Add windows only function sf_wchar_open().
  * Bunch of minor bug fixes.

(The last entry sums up at least the DOS patches we had in pkgsrc.)