sal_uInt16: constify and avoid unneed cast
sal_uInt16: constify and avoid unneed cast

Change-Id: I78fe90f24805c5bca3548cf4c005d2c44574aa5c

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