Avoid incomplete type in fn sig to keep ubsan's RTTI-based checks happy
Avoid incomplete type in fn sig to keep ubsan's RTTI-based checks happy

Change-Id: Id535824a9429576a469cf88d9bdbb6b53c5e314b

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