Replaces the SAL_N_ELEMENTS macro with the std::size in handlerhelper.cxx, twain32shim.cxx, updatehdl.cxx. Change-Id: I770ee483563075cb324450fe703a4e1075945209 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/202174 Reviewed-by: Ilmari Lauhakangas <ilmari.lauhakangas@libreoffice.org> Tested-by: Jenkins