BERLIN (Reuters) -Austria’s OMV said on Tuesday that the country’s gas supply situation had improved somewhat, with the reduction in deliveries now at around 40%. Previously the reduction in gas deliveries had been around 50%, according to the oil and gas group. OMV said in June that Russia’s Gazprom had informed it of a reduction in gas deliveries, but said at the time that the supply for customers is secure and that it would replace the amount, if necessary, from storage and the spot market. The Austrian government will be advised on the gas situation on Tuesday amid concerns that the countr…