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: I10d58f79bf8e803953ce960d8f63c7139a23d609

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