[PATCH] emacs: do not modify the alist passed to notmuch-sort-saved-searches

[Jani Nikula]

Sort modifies its input as a side effect. Pass it a copy in
notmuch-sort-saved-searches to not modify the notmuch-saved-searches
alist.

---

Earlier version by Daniel Schoepe and discussion in thread starting at
id:"1330633478-1974-1-git-send-email-daniel at schoepe.org".
---
 emacs/notmuch-hello.el |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/emacs/notmuch-hello.el b/emacs/notmuch-hello.el
index e9caade..8e37761 100644
--- a/emacs/notmuch-hello.el
+++ b/emacs/notmuch-hello.el
@@ -41,7 +41,7 @@
 
 (defun notmuch-sort-saved-searches (alist)
   "Generate an alphabetically sorted saved searches alist."
-  (sort alist (lambda (a b) (string< (car a) (car b)))))
+  (sort (copy-sequence alist) (lambda (a b) (string< (car a) (car b)))))
 
 (defcustom notmuch-saved-search-sort-function nil
   "Function used to sort the saved searches for the notmuch-hello view.
-- 
1.7.5.4