diff --git a/panda/src/express/virtualFileSystem_ext.h b/panda/src/express/virtualFileSystem_ext.h
index 73190966df..b4b6322c3b 100644
--- a/panda/src/express/virtualFileSystem_ext.h
+++ b/panda/src/express/virtualFileSystem_ext.h
@@ -1,41 +1,42 @@
-// Filename: virtualFileSystem_ext.h
-// Created by:  rdb (12Sep13)
-//
-////////////////////////////////////////////////////////////////////
-//
-// PANDA 3D SOFTWARE
-// Copyright (c) Carnegie Mellon University.  All rights reserved.
-//
-// All use of this software is subject to the terms of the revised BSD
-// license.  You should have received a copy of this license along
-// with this source code in a file named "LICENSE."
-//
-////////////////////////////////////////////////////////////////////
-
-#ifndef VIRTUALFILESYSTEM_EXT_H
-#define VIRTUALFILESYSTEM_EXT_H
-
-#include "dtoolbase.h"
-
-#ifdef HAVE_PYTHON
-
-#include "extension.h"
-#include "virtualFileSystem.h"
-#include "py_panda.h"
-
-////////////////////////////////////////////////////////////////////
-//       Class : Extension<VirtualFileSystem>
-// Description : This class defines the extension methods for
-//               VirtualFileSystem, which are called instead of
-//               any C++ methods with the same prototype.
-////////////////////////////////////////////////////////////////////
-template<>
-class Extension<VirtualFileSystem> : public ExtensionBase<VirtualFileSystem> {
-public:
-  PyObject *read_file(Filename const &filename, bool auto_unwrap) const;
-  PyObject *write_file(Filename const &filename, PyObject *data, bool auto_wrap);
-};
-
-#endif  // HAVE_PYTHON
-
-#endif  // VIRTUALFILESYSTEM_EXT_H
+// Filename: virtualFileSystem_ext.h
+// Created by:  rdb (12Sep13)
+//
+////////////////////////////////////////////////////////////////////
+//
+// PANDA 3D SOFTWARE
+// Copyright (c) Carnegie Mellon University.  All rights reserved.
+//
+// All use of this software is subject to the terms of the revised BSD
+// license.  You should have received a copy of this license along
+// with this source code in a file named "LICENSE."
+//
+////////////////////////////////////////////////////////////////////
+
+#ifndef VIRTUALFILESYSTEM_EXT_H
+#define VIRTUALFILESYSTEM_EXT_H
+
+#include "dtoolbase.h"
+
+#ifdef HAVE_PYTHON
+
+#include "extension.h"
+#include "virtualFileSystem.h"
+#include "py_panda.h"
+
+////////////////////////////////////////////////////////////////////
+//       Class : Extension<VirtualFileSystem>
+// Description : This class defines the extension methods for
+//               VirtualFileSystem, which are called instead of
+//               any C++ methods with the same prototype.
+////////////////////////////////////////////////////////////////////
+template<>
+class Extension<VirtualFileSystem> : public ExtensionBase<VirtualFileSystem> {
+public:
+  PyObject *read_file(Filename const &filename, bool auto_unwrap) const;
+  PyObject *write_file(Filename const &filename, PyObject *data, bool auto_wrap);
+};
+
+#endif  // HAVE_PYTHON
+
+#endif  // VIRTUALFILESYSTEM_EXT_H
+