coverity#735315 Unchecked return value
coverity#735315 Unchecked return value

Change-Id: If2e8d3cfe49a039cc27035ae9c0f037c2d60b122

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