Avoid some OUString concatenations
Avoid some OUString concatenations

Change-Id: I73c5af00bee383de6e0c39932e91495632eb9dfb

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