on second thought, InodeCache should use getFileSize

This is necessary for interop between inode caches created on unix and
windows. Which is more important than supporting inodecaches for large keys
with the wrong size, which are broken anyway.

There should be no slowdown from this change, except on Windows.

Annex/Direct.hs

@@ -56,7 +56,7 @@ stageDirect = do
 	go (file, Just sha, Just mode) = withTSDelta $ \delta -> do
 		shakey <- catKey sha mode
 		mstat <- liftIO $ catchMaybeIO $ getSymbolicLinkStatus file
-		mcache <- liftIO $ maybe (pure Nothing) (toInodeCache delta) mstat
+		mcache <- liftIO $ maybe (pure Nothing) (toInodeCache delta file) mstat
 		filekey <- isAnnexLink file
 		case (shakey, filekey, mstat, mcache) of
 			(_, Just key, _, _)