UPDATE 2-Barclays, Wachovia to pay $378 mln to settle U.S. mortgage claimsBy Dena Aubin NEW YORK Oct 19 British bank Barclays Plc and U.S. bank Wachovia, now part of Wells Fargo & Co , will pay a combined $378 million to resolve claims over toxic mortgage-backed securities sold to now-failed credit unions, a U.S. credit union regulator said on Monday.