TrkGaussianSumFilter → TrkTools Relation

File in Tracking/TrkFitter/TrkGaussianSumFilter	Includes file in Tracking/TrkTools
TrkGaussianSumFilter / TrkFitter/TrkGaussianSumFilter/TrkGaussianSumFilter/GaussianSumFitter.h	TrkToolInterfaces / TrkToolInterfaces / IRIO_OnTrackCreator.h