=Bugfix: avoid "buffer xxx modified" warnings when switching tabs.

sunrise-x-tabs.el

@@ -7,7 +7,7 @@
 ;; Maintainer: José Alfredo Romero L. <escherdragon@gmail.com>
 ;; Created: 24 Oct 2009
 ;; Version: 1
-;; RCS Version: $Rev: 425 $
+;; RCS Version: $Rev: 431 $
 ;; Keywords: sunrise commander, tabs
 ;; URL: http://www.emacswiki.org/emacs/sunrise-x-tabs.el
 ;; Compatibility: GNU Emacs 22+
@@ -236,7 +236,9 @@ The direction depends on the value of BACK."
       (set (sr-symbol sr-selected-window 'buffer) (current-buffer))
       (set (sr-symbol sr-selected-window 'directory) default-directory)
       (unless (eq from-buffer (sr-other 'buffer))
-        (kill-buffer from-buffer))
+        (with-current-buffer from-buffer
+          (set-buffer-modified-p nil)
+          (kill-buffer (current-buffer))))
       (revert-buffer)
       (sr-history-push default-directory)))
   (sr-tabs-refresh))