more OsPath conversion (749/749)

Builds with and without OsPath build flag.

Unfortunately, the test suite fails.

Sponsored-by: unqueued on Patreon

Assistant/WebApp/Configurators/Unused.hs

@@ -51,7 +51,7 @@ postConfigUnusedR = page "Unused files" (Just Configuration) $ do
 			redirect ConfigurationR
 		_ -> do
 			munuseddesc <- liftAssistant describeUnused
-			ts <- liftAnnex $ dateUnusedLog ""
+			ts <- liftAnnex $ dateUnusedLog (literalOsPath "")
 			mlastchecked <- case ts of
 				Nothing -> pure Nothing
 				Just t -> Just <$> liftIO (durationSince t)