(Refiles to correct typographical error on paragrah 1 to EFF from EEF) By Uditha Jayasinghe and Jorgelina do Rosario COLOMBO/LONDON (Reuters) -Sri Lanka is in talks with the International Monetary Fund (IMF) to borrow at least $3 billion via the lender’s extended fund facility (EFF), sources familiar with the matter told Reuters. The island state’s government expects another round of technical talks with the IMF in early June and hopes to reach to a staff-level agreement as soon as the end of this month, two of the sources said, speaking on condition of anonymity. A spokesperson for the IMF di…