coverity#735368: operation has no effect
coverity#735368: operation has no effect

Change-Id: Ibdb36f3b1df04dca7c4129ef4837317c991d7ae9

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