getFunctionSymbolByName: make fall-back locale actually work
getFunctionSymbolByName: make fall-back locale actually work

Change-Id: I7313cca3335e1b41df2a70fe968bc1e6386a1e36

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