[pan: 13/16] Use the right stable sort...

[Dominique Dumont <ddumont src gnome org>]

commit 69c38011357fe54350eda9fc0b620857910a7f1a
Author: Thomas Tanner <thosrtanner googlemail com>
Date:   Sat Apr 16 12:36:21 2022 +0100

    Use the right stable sort...

 pan/gui/group-pane.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)
---
diff --git a/pan/gui/group-pane.cc b/pan/gui/group-pane.cc
index 952b513..ebe0fa0 100644
--- a/pan/gui/group-pane.cc
+++ b/pan/gui/group-pane.cc
@@ -439,7 +439,12 @@ namespace
         expandme.push_back (store->get_iter (row));
     }
 
-    std::stable_sort (setme_rows.begin(), setme_rows.end());
+    //Use a stable sort to ensure that if there are newsgroups called Sent
+    //or Drafts on the server (yes, it does happen!) and you have the local
+    //version selected on exit, it reslects the local one on restart.
+    //With normal sort, a random one of the two is picked, which is seriously
+    //disconcerting.
+    setme_rows.stable_sort ();
     return store;
   }
 }