the implementation pointer of SfxChildWindow can be private
the implementation pointer of SfxChildWindow can be private

Change-Id: I79366fe5abc98924e174dcbac83bbb8c053d59ce

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