sc: insert a temporary String conversion until ScColToAlpha is converted
sc: insert a temporary String conversion until ScColToAlpha is converted

Change-Id: I35494ccfeba77b173a2d227d1bd2235e81aa2d9b

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