[PD] denormalized numbers bugfix in PD

[guenter geiger]

On Fri, 19 Sep 2003, Krzysztof Czaja wrote:
> hi Thomas, Derek, and all,
>
> Pd does actually kill denormals in [send~], [throw~], [line~],
> [delwrite~], [hip~], [lop~], [bp~], [biquad~], [tabwrite~], and
> [tabsend~].

vcf~ should be added then.

Guenter