use -- before filenames when running git add, git rm, etc

Command/Add.hs

@@ -44,5 +44,5 @@ cleanup file key = do
 
 	link <- calcGitLink file key
 	liftIO $ createSymbolicLink link file
-	Annex.queue "add" [] file
+	Annex.queue "add" ["--"] file
 	return True

Command/Fix.hs

@@ -37,5 +37,5 @@ perform file link = do
 
 cleanup :: FilePath -> SubCmdCleanup
 cleanup file = do
-	Annex.queue "add" [] file
+	Annex.queue "add" ["--"] file
 	return True

Command/FromKey.hs

@@ -41,5 +41,5 @@ perform file key = do
 	return $ Just $ cleanup file
 cleanup :: FilePath -> SubCmdCleanup
 cleanup file = do
-	Annex.queue "add" [] file
+	Annex.queue "add" ["--"] file
 	return True

Command/Move.hs

@@ -85,7 +85,7 @@ moveToCleanup remote key tmpfile = do
 			g <- Annex.gitRepo
 			remoteuuid <- getUUID remote
 			logfile <- liftIO $ logChange g key remoteuuid ValuePresent
-			Annex.queue "add" [] logfile
+			Annex.queue "add" ["--"] logfile
 			-- Cleanup on the local side is the same as done for the
 			-- drop subcommand.
 			Command.Drop.cleanup key
@@ -128,5 +128,5 @@ moveFromCleanup remote key = do
 		remoteuuid <- getUUID remote
 		g <- Annex.gitRepo
 		logfile <- liftIO $ logChange g key remoteuuid ValueMissing
-		Annex.queue "add" [] logfile
+		Annex.queue "add" ["--"] logfile
 	return ok

Command/Unannex.hs

@@ -40,7 +40,7 @@ cleanup file key = do
 	g <- Annex.gitRepo
 
 	liftIO $ removeFile file
-	liftIO $ Git.run g ["rm", "--quiet", file]
+	liftIO $ Git.run g ["rm", "--quiet", "--", file]
 	-- git rm deletes empty directories; put them back
 	liftIO $ createDirectoryIfMissing True (parentDir file)