(file_name_as_directory): Use literal '/' instead of DIRECTORY_SEP.

src/ChangeLog

@@ -37,6 +37,7 @@
 2002-07-19  Juanma Barranquero  <lektu@terra.es>
 
 	* fileio.c (Ffile_name_as_directory): Fix argument name in docstring.
+	(file_name_as_directory): Use literal '/' instead of DIRECTORY_SEP.
 
 	* xdisp.c (syms_of_xdisp): Remove redundant deprecation info.
 

src/fileio.c

@@ -602,7 +602,8 @@ file_name_as_directory (out, in)
   /* For Unix syntax, Append a slash if necessary */
   if (!IS_DIRECTORY_SEP (out[size]))
     {
-      out[size + 1] = DIRECTORY_SEP;
+      /* Cannot use DIRECTORY_SEP, which could have any value */
+      out[size + 1] = '/';
       out[size + 2] = '\0';
     }
 #ifdef DOS_NT