[ITA] fftw3

[Charles Wilson]

Marco Atzeri wrote:
> I would like to adopt fftw3 as it is needed
> to be updated for octave build.
> 
> I hope this is the last try, and every dots is on the
> right place.

Builds fine from source, passes basic tests. Packaging and setup.hints 
look good.

GTG, and uploaded. Please send an announcement to cygwin-announce at 
cygwin dot com.

Thanks for your perseverence!

--
Chuck