MuidTrackBuilder → MagneticField Relation

File in Reconstruction/MuonIdentification/MuidTrackBuilder	Includes file in MagneticField
src / CombinedMuonTrackBuilder.h	MagFieldConditions / MagFieldConditions / AtlasFieldCacheCondObj.h
src / CombinedMuonTrackFitter.h	MagFieldConditions / MagFieldConditions / AtlasFieldCacheCondObj.h