finishing coverity uninits in algorithms, 1075454...1075488, re #11829

.../Framework/Algorithms/inc/MantidAlgorithms/FilterEvents.h

...rithms/inc/MantidAlgorithms/GeneralisedSecondDifference.h

...d/Framework/Algorithms/inc/MantidAlgorithms/Integration.h

...Mantid/Framework/Algorithms/inc/MantidAlgorithms/MaxMin.h

...ramework/Algorithms/inc/MantidAlgorithms/ModeratorTzero.h

...rk/Algorithms/inc/MantidAlgorithms/ModeratorTzeroLinear.h

...Framework/Algorithms/inc/MantidAlgorithms/MultiplyRange.h

.../Algorithms/inc/MantidAlgorithms/OneMinusExponentialCor.h

...Algorithms/inc/MantidAlgorithms/PlotAsymmetryByLogValue.h

...rk/Algorithms/inc/MantidAlgorithms/PolynomialCorrection.h

...work/Algorithms/inc/MantidAlgorithms/PowerLawCorrection.h

Code/Mantid/Framework/Algorithms/inc/MantidAlgorithms/Q1D2.h

...antid/Framework/Algorithms/inc/MantidAlgorithms/RealFFT.h

...antid/Framework/Algorithms/inc/MantidAlgorithms/Rebin2D.h

...rk/Algorithms/inc/MantidAlgorithms/ReplaceSpecialValues.h

...amework/Algorithms/inc/MantidAlgorithms/SpatialGrouping.h

...Framework/Algorithms/inc/MantidAlgorithms/SumNeighbours.h

...id/Framework/Algorithms/inc/MantidAlgorithms/SumSpectra.h

...ework/Algorithms/inc/MantidAlgorithms/TOFSANSResolution.h

.../Mantid/Framework/Algorithms/src/AbsorptionCorrection.cpp