Move top level packages to internal.

internal/files/filenames_unix.go

@@ -0,0 +1,17 @@
+// Copyright (C) 2014 Jakob Borg and Contributors (see the CONTRIBUTORS file).
+// All rights reserved. Use of this source code is governed by an MIT-style
+// license that can be found in the LICENSE file.
+
+// +build !windows,!darwin
+
+package files
+
+import "code.google.com/p/go.text/unicode/norm"
+
+func normalizedFilename(s string) string {
+	return norm.NFC.String(s)
+}
+
+func nativeFilename(s string) string {
+	return s
+}