fix all remaining -Wincomplete-uni-patterns warnings

A couple of these were probably actual bugs in edge cases. Most of the
changes I'm fine with. The fact that aeson's object returns sometihng
that we know will be an Object, but the type checker does not know is
kind of annoying.

Logs/Transfer.hs

@@ -143,12 +143,12 @@ getTransfers' dirs wanted = do
 	transfers <- filter (wanted . transferKey)
 		<$> mapMaybe parseTransferFile . concat <$> findfiles
 	infos <- mapM checkTransfer transfers
-	return $ map (\(t, Just i) -> (t, i)) $
-		filter running $ zip transfers infos
+	return $ mapMaybe running $ zip transfers infos
   where
 	findfiles = liftIO . mapM dirContentsRecursive
 		=<< mapM (fromRepo . transferDir) dirs
-	running (_, i) = isJust i
+	running (t, Just i) = Just (t, i)
+	running (_, Nothing) = Nothing
 
 {- Number of bytes remaining to download from matching downloads that are in
  - progress. -}