String -> OUString prep clean-up
String -> OUString prep clean-up

Change-Id: Iacd7a20a49c40b6f4db07a14a17cc6301eeb086d

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