The source from this directory was copied from the kissfft github repository using
the update.sh script.  The only changes made were those applied by update.sh
and the addition of moz.build and Makefile.in build files for the Mozilla build
system.

The kissfft git repository is: https://github.com/MoonchildProductions/kissfft

The git commit used was fa1bf9189dc84f960d4e56c0bed25d961c0ccb76.