By Mathieu Rosemain and Pamela Barbaglia PARIS (Reuters) -The French government is poised to pay more than 8 billion euros ($8.05 billion) to bring power giant EDF back under full state control, two sources with knowledge of the matter said, adding the aim is to complete the deal in the fourth quarter. One of the sources said the cost of buying the 16% stake the state does not already own could be as high as almost 10 billion euros, when accounting for outstanding convertible bonds and a premium to current market prices. EDF and the economy ministry declined to comment. The French government, …