Log Message:
ladspa: update to 1.17.

Version 1.16 - 3 Sep 2021

  Change applyplugin to use libsndfile.

  Fix URL in documentation.

  Fix so delay can handle a delay of zero.

Version 1.17 - 9 Sep 2021

  Simplify, and hopefully accelerate, clip checking code in applyplugin.

  Improved usage message.