fix some mixed space+tab indentation

This fixes all instances of " \t" in the code base. Most common case
seems to be after a "where" line; probably vim copied the two space layout
of that line.

Done as a background task while listening to episode 2 of the Type Theory
podcast.

Logs/FsckResults.hs

@@ -28,7 +28,7 @@ writeFsckResults u fsckresults = do
 				| S.null s -> nukeFile logfile
 				| otherwise -> store s t logfile
   where
-  	store s t logfile = do 
+	store s t logfile = do 
 		createDirectoryIfMissing True (parentDir logfile)
 		liftIO $ viaTmp writeFile logfile $ serialize s t
 	serialize s t =