TrkJetVxFitter → MagneticField Relation

File in Tracking/TrkVertexFitter/TrkJetVxFitter	Includes file in MagneticField
src / TrkDistanceFinderNeutralCharged.cxx	MagFieldElements / MagFieldElements / AtlasFieldCache.h
TrkJetVxFitter / JetFitterRoutines.h	MagFieldConditions / MagFieldConditions / AtlasFieldCacheCondObj.h