sal_uInt16 to size_t, constify
sal_uInt16 to size_t, constify

Change-Id: I4a331bfafc6b6468cf7147f8c09630735690f211

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