Fixed generated ruby FFI setter for c code
Fixed generated ruby FFI setter for c code

tamc/excel_to_code,dberlin/excel_to_code,tamc/excel_to_code,tamc/excel_to_code,kevinmel2000/excel_to_code,jmptrader/excel_to_code,kevinmel2000/excel_to_code,tamc/excel_to_code,dberlin/excel_to_code,jmptrader/excel_to_code