Critical fix for the recalculation of tau cpmg, when plotting for numerical models.
The interpolated dispersion points with tau_cpgm was calculated with frq, instead of cmpg_frq.
Task #7807 (https://gna.org/task/index.php?7807): Speed-up of dispersion models for Clustered analysis.
Authored by: tlinnet 2014-06-30
Parent: [r24362]
Child: [r24364]
