sw: fix gcc-4.8 build
sw: fix gcc-4.8 build

Change-Id: I93ec8bed19cf283ce6c9cd6718376798d8ea8de0

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