Fix for lisp/files.el - doc string for file-truename

[CHENG Gao]

Existed doc string for file-truename makes optional parameters not
shown.
Below is the fix. Please check if it's ok.


--- files.el.orig       2004-10-28 18:54:43.031250000 +0800
+++ files.el    2004-10-28 19:42:07.406250000 +0800
@@ -674,9 +674,7 @@
   "Return the truename of FILENAME, which should be absolute.
 The truename of a file name is found by chasing symbolic links
 both at the level of the file and at the level of the directories
-containing it, until no links are left at any level.
-
-\(fn FILENAME)"
+containing it, until no links are left at any level."
   ;; COUNTER and PREV-DIRS are only used in recursive calls.
   ;; COUNTER can be a cons cell whose car is the count of how many
   ;; more links to chase before getting an error.

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