coverity#735847 Dereference after null check
coverity#735847 Dereference after null check

Change-Id: I564d00d279d0b1cfee4eead4b9bc9b6e98a3b0f2

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