sal_uInt16 to more proper types + constification
sal_uInt16 to more proper types + constification

Change-Id: Idcc3d315a7a9cbef4e3c0fbc6410098528dd8bfa

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