loplugin:stringconstant: Flag more inefficiencies
loplugin:stringconstant: Flag more inefficiencies

Change-Id: I36ae4b57049fe4deabe785ccfecf78608461086f

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