keep BeamPipeBuilderCond.cxx in sync with BeamPipeBuilder.cxx
BeamPipeBuilder.cxx (used by the TrackingGeometrySvc) diverged from BeamPipeBuilderCond.cxx (used by the TrackingGeometryConditionsAlg), this should synchronize the two again.
BeamPipeBuilder.cxx (used by the TrackingGeometrySvc) diverged from BeamPipeBuilderCond.cxx (used by the TrackingGeometryConditionsAlg), this should synchronize the two again.