opencl: Use appropriate OUString functions on string constants
opencl: Use appropriate OUString functions on string constants

Change-Id: I0c461fa2c2ac62f9dd63e793f8cbc0c68c510082

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