coverity#703957 Unchecked return value
coverity#703957 Unchecked return value

Change-Id: I3a5c0239f4615ff0ba832ac4c733c26e25c259e6

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