bug#29423: 27.0.50; ls-lisp does not handle -F switch properly

[Eli Zaretskii <eliz@gnu.org>]

> From: Michael Albinus <michael.albinus@gmx.de>
> Cc: 29423@debbugs.gnu.org
> Date: Fri, 24 Nov 2017 14:41:33 +0100
> 
> Eli Zaretskii <eliz@gnu.org> writes:
> 
> > How come ls-lisp-classify doesn't propertize the file name in this
> > case?
> 
> Because it wasn't called. ls-lisp-classify-file was called only, if I'm
> not mistaken.

Right, and so the correct fix is below, I think.  Do you agree?

We can install this on the release branch, unless the original problem
with Tramp exists only on master.  Let me know.

Thanks.

diff --git a/lisp/ls-lisp.el b/lisp/ls-lisp.el
index caddc7f..cf3bff5 100644
--- a/lisp/ls-lisp.el
+++ b/lisp/ls-lisp.el
@@ -713,23 +713,26 @@ ls-lisp-handle-switches
 (defun ls-lisp-classify-file (filename fattr)
   "Append a character to FILENAME indicating the file type.
 
+This function puts the `dired-filename' property on FILENAME, but
+not on the character indicator it appends.
 FATTR is the file attributes returned by `file-attributes' for the file.
 The file type indicators are `/' for directories, `@' for symbolic
 links, `|' for FIFOs, `=' for sockets, `*' for regular files that
 are executable, and nothing for other types of files."
   (let* ((type (car fattr))
 	 (modestr (nth 8 fattr))
-	 (typestr (substring modestr 0 1)))
+	 (typestr (substring modestr 0 1))
+         (file-name (propertize filename 'dired-filename t)))
     (cond
      (type
-      (concat filename (if (eq type t) "/" "@")))
+      (concat file-name (if (eq type t) "/" "@")))
      ((string-match "x" modestr)
-      (concat filename "*"))
+      (concat file-name "*"))
      ((string= "p" typestr)
-      (concat filename "|"))
+      (concat file-name "|"))
      ((string= "s" typestr)
-      (concat filename "="))
-     (t filename))))
+      (concat file-name "="))
+     (t file-name))))
 
 (defun ls-lisp-classify (filedata)
   "Append a character to file name in FILEDATA indicating the file type.
@@ -742,7 +745,6 @@ ls-lisp-classify
 are executable, and nothing for other types of files."
   (let ((file-name (car filedata))
         (fattr (cdr filedata)))
-    (setq file-name (propertize file-name 'dired-filename t))
     (cons (ls-lisp-classify-file file-name fattr) fattr)))
 
 (defun ls-lisp-extension (filename)