Removed some more compiler warnings in Xcode

App/inc/IsGISAXSTools.h

App/src/DrawHelper.cpp

App/src/FitSuiteHelper.cpp

App/src/IsGISAXSTools.cpp

App/src/ROOTMinimizer.cpp

App/src/TestConvolution.cpp

App/src/TestFormFactor.cpp

App/src/TestFresnelCoeff.cpp

App/src/TestIsGISAXS9.cpp

App/src/TestMiscellaneous.cpp

App/src/TestRoughness.cpp

Core/Tools/inc/NamedVector.h

Core/Tools/inc/OutputData.h

Core/Tools/src/OutputDataFunctions.cpp

XCode_GISASFW.xcodeproj/project.pbxproj