GENOA (Reuters) - Shareholders in Italian bank Carige have approved a 700 million euro (615.6 million pounds) cash call, relinquishing control of the lender to save it from liquidation after years of losses.Carige's fourth capital increase since 2014 is part of a 900 million euro rescue painfully negotiated over the past nine months and financed for the most part by rival Italian lenders.The outcome of Friday's meeting had hung in the balance because the bank's biggest shareholder, the..