Oil slips below $109 on Libyan export hopes; Fed in focus

* Fears fade over disruption of Libyan oil exports * Higher-than-expected American crude build weighs on futures * Investors await outcome of Fed policy meeting TOKYO, Oct 30 (Reuters) - Brent crude edged below $109 on Wednesday, as worries about disruption to petroleum exports by OPEC member Libya eased a little, while a bigger-than-expected increase in inventories weighed on U.S. oil futures