(_remdev): Look for / anywhere in Path.

src/rmt.h

@@ -1,5 +1,5 @@
 /* Definitions for communicating with a remote tape drive.
-   Copyright (C) 1988, 1992, 1996, 1997 Free Software Foundation, Inc.
+   Copyright 1988, 1992, 1996, 1997, 2001 Free Software Foundation, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -32,7 +32,7 @@ int rmt_ioctl__ PARAMS ((int, int, char *));
 
 #define _remdev(Path) \
   (!force_local_option && (rmt_path__ = strchr (Path, ':')) \
-   && rmt_path__ > (Path) && rmt_path__[-1] != '/')
+   && rmt_path__ > (Path) && ! memchr (Path, rmt_path__ - (Path), '/'))
 
 #define _isrmt(Fd) \
   ((Fd) >= __REM_BIAS)