1 files changed, 2 insertions, 2 deletions

diff --git a/src/msdos.h b/src/msdos.h
index a73c1f2901f..ee0d49464ae 100644
--- a/src/msdos.h
+++ b/src/msdos.h
@@ -1,5 +1,5 @@
 /* MS-DOS specific C utilities, interface.
-   Copyright (C) 1993, 2001-2012 Free Software Foundation, Inc.
+   Copyright (C) 1993, 2001-2013 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
@@ -29,7 +29,7 @@ void dos_set_window_size (int *, int *);
 
 int getdefdir (int, char*);
 void unixtodos_filename (char *);
-void dostounix_filename (char *);
+void dostounix_filename (char *, int);
 char *rootrelativepath (char *);
 void init_environment (int, char **, int);
 void internal_terminal_init (void);