coverity#984147 Uninitialized pointer field
coverity#984147 Uninitialized pointer field

the original SvLBoxEntry::Clone did...

pUserData = ((SvLBoxEntry*)pSource)->GetUserData();
nEntryFlags = ((SvLBoxEntry*)pSource)->nEntryFlags;

so presumably this is what we want to do here

Change-Id: Icaafb1f5c62847167886a230391efa5f7a3fca99

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