String to OUString with local helper function
String to OUString with local helper function

Change-Id: I514f12d7f3a4131f68cf26af16c273f5216398f9
Reviewed-on: https://gerrit.libreoffice.org/5182
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