cid#705996 unintended sign extension
cid#705996 unintended sign extension

Change-Id: I07f357b069bd8ae31049f049163c0e20e7361f79

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