sal_uInt16 to sal_Int32, constify and simplify
sal_uInt16 to sal_Int32, constify and simplify

Change-Id: If97d75dbfb683191f4a30d796ca132cedec6c92e

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core