Fix one more instance of explicit directory separator to use G_DIR_SEPARATOR_S instead

git-svn-id: svn+ssh://svn.gnucash.org/repo/gnucash/trunk@14712 57a11ea4-9604-0410-9ed3-97b8803252fd

src/backend/file/gnc-backend-file.c

@@ -667,7 +667,8 @@ gnc_file_be_remove_old_files(FileBackend *be)
         if (gnc_file_be_select_files (dent) == 0)
              continue;
 
-        name = g_strconcat(be->dirname, "/", dent->d_name, NULL);
+	/* G_DIR_SEPARATOR_S is "/" on unix and "\\" on windows. */
+        name = g_strconcat(be->dirname, G_DIR_SEPARATOR_S, dent->d_name, NULL);
         len = strlen(name) - 4;
 
         /* Is this file associated with the current data file */