Revision 398565

Update to upstream version 0.4.2, port cleanup

- Simplify fft handling:
  Only allow single precision fftw3 (recommended by upstream)
  or built-in ooula (fallback)
- Use OPTION helpers
- Add LICENSE_FILE
- Pet portlint

PR:		203239
Submitted by:	tkato432@yahoo.com
Reviewed by:	riggs