FileSvc → GaudiKernel Relation

File in GaudiTestSuite/src/FileSvc	Includes file in GaudiKernel
HistogramWriterAlg.cpp	include / Gaudi / Algorithm.h
HistogramWriterAlg.cpp	include / Gaudi / Interfaces / IFileSvc.h
NTupleWriterAlg.cpp	include / Gaudi / Algorithm.h
NTupleWriterAlg.cpp	include / Gaudi / Interfaces / IFileSvc.h