TrkMaterialProvider → TrkExtrapolation Relation

File in Tracking/TrkTools/TrkMaterialProvider	Includes file in Tracking/TrkExtrapolation
src / TrkMaterialProviderTool.h	TrkExInterfaces / TrkExInterfaces / IEnergyLossUpdator.h
src / TrkMaterialProviderTool.h	TrkExInterfaces / TrkExInterfaces / IExtrapolator.h
src / TrkMaterialProviderTool.h	TrkExInterfaces / TrkExInterfaces / IMultipleScatteringUpdator.h