Don't let-bind copyright-update in nnfolder-save-buffer.

See:
http://lists.gnu.org/archive/html/emacs-devel/2011-02/msg00284.html
http://lists.gnu.org/archive/html/emacs-devel/2011-02/msg00651.html

* nnfolder.el (nnfolder-save-buffer): Don't let-bind copyright-update,
in case it's not yet loaded.

2 files changed, 7 insertions, 2 deletions

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index eecbe978c29..f62a98c639b 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,8 @@
+2011-02-17  Chong Yidong  <cyd@stupidchicken.com>
+
+        * nnfolder.el (nnfolder-save-buffer): Don't let-bind copyright-update,
+        in case it's not yet loaded.
+
 2011-01-13  Chong Yidong  <cyd@stupidchicken.com>
 
         * message.el (message-bury): Add special-case handling for Rmail.
diff --git a/lisp/gnus/nnfolder.el b/lisp/gnus/nnfolder.el
index a93f0913e42..d90e836e246 100644
--- a/lisp/gnus/nnfolder.el
+++ b/lisp/gnus/nnfolder.el
@@ -1099,8 +1099,8 @@ This command does not work if you use short group names."
     (gnus-make-directory (file-name-directory (buffer-file-name)))
     (let ((coding-system-for-write
            (or nnfolder-file-coding-system-for-write
-               nnfolder-file-coding-system))
-          (copyright-update nil))
+               nnfolder-file-coding-system)))
+      (set (make-local-variable 'copyright-update) nil)
       (save-buffer)))
   (unless (or gnus-nov-is-evil nnfolder-nov-is-evil)
     (nnfolder-save-nov)))