Avoid unnecessary operations on an OUString
Avoid unnecessary operations on an OUString

Change-Id: I1820711664a6aa18587e1e4a3d74a8e4cbfcc07e
Reviewed-on: https://gerrit.libreoffice.org/1537
Reviewed-by: Luboš Luňák <b5c5550b076ca5e3b0f00f104f523b73456d8824@suse.cz>
Tested-by: Luboš Luňák <b5c5550b076ca5e3b0f00f104f523b73456d8824@suse.cz>

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