22.0-cppcheck-TrkGlobalChi2Fitter
solve cppcheck warnings (identical inner/outer 'if' conditions, one post decrement changed to pre-decrement), suppress one (dodgy use of iterators in different scopes)
solve cppcheck warnings (identical inner/outer 'if' conditions, one post decrement changed to pre-decrement), suppress one (dodgy use of iterators in different scopes)