includes/AntiSpoofHooks.php
public static function asAddRenameUserHook( $uid, $oldName, $newName ) {
		$spoof = new SpoofUser( $newName );
		$spoof->update( $oldName );
		return true;
	}
public static function asAddRenameUserHook( $uid, $oldName, $newName ) {
		$spoof = new SpoofUser( $newName );
		$spoof->update( $oldName );
		return true;
	}
On rename, remove the old entry and add the new
(After a successful user rename)

@param string $uid
@param string $oldName
@param string $newName
@return bool