2000-06-14  Morten Welinder  <terra@diku.dk>

	* ms-formula-write.c (ms_excel_write_formula): Plug leak.

	* ms-excel-write.c (ms_excel_check_write): In case of error, clear
 	out the state.
	(ms_excel_write_free_state): "New" function.
	(write_workbook): Don't free workbook here.
	(ms_excel_write_workbook): Do it here and plug a leak.

	* boot.c (excel_save): Free the state.