[PD] partconv~ and pvoc~ now part of Pd-extended (added fftw3)

[Hans-Christoph Steiner]

Now that FFTW3 is included on all of the build machines, I enabled  
the building of partconv~ and pvoc~ in bsaylor.  Try it out and let  
me know how it works.

It should show up in the nightly builds starting tomorrow.

.hc

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I spent 33 years and four months in active military service and  
during that period I spent most of my time as a high class muscle man  
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