Close corporation - winding-up – proper interpretation of s 69 of Close Corporation Act 69 of 1984 - whether application for winding-up brought by secured creditor constituted abuse of court’s processes – unpaid creditor generally entitled to winding-up ex debito justitiae against corporation unable to pay its debts – discretion to nevertheless refuse winding-up order – whether discretion not to grant the winding-up order was properly exercised – appeal upheld.