bug#7578: 23.2.90; [PATCH] Move ESHELL directory inside .emacs.d

[Leo]

It seems better for emacs not to litter the user's HOME.

commit 3a9f8163e6eeefd00fc6fe5a531049c22c7acf79 (HEAD, refs/heads/leo-main)
Date:   Tue Dec 7 10:21:18 2010 +0000

    Tweak eshell-directory-name

        Modified lisp/eshell/eshell.el
diff --git a/lisp/eshell/eshell.el b/lisp/eshell/eshell.el
index 74f65d2..f8cf9dc 100644
--- a/lisp/eshell/eshell.el
+++ b/lisp/eshell/eshell.el
@@ -285,7 +285,8 @@ shells such as bash, zsh, rc, 4dos."
   "`eshell-buffer-name' is a member of `same-window-buffer-names'"
   (member eshell-buffer-name same-window-buffer-names))
 
-(defcustom eshell-directory-name (convert-standard-filename "~/.eshell/")
+(defcustom eshell-directory-name
+  (locate-user-emacs-file "eshell/" ".eshell/")
   "The directory where Eshell control files should be kept."
   :type 'directory
   :group 'eshell)