[meld: 3/5] dirdiff: Simplify folder reversing logic

[Kai Willadsen <kaiw src gnome org>]

commit 94c2c54c77abe8ca21ddcc94368f5bb47ad89512
Author: Kai Willadsen <kai willadsen gmail com>
Date:   Sun Apr 10 09:06:14 2022 +1000

    dirdiff: Simplify folder reversing logic

 meld/dirdiff.py | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)
---
diff --git a/meld/dirdiff.py b/meld/dirdiff.py
index 88aef33b..14a43264 100644
--- a/meld/dirdiff.py
+++ b/meld/dirdiff.py
@@ -1582,9 +1582,7 @@ class DirDiff(Gtk.VBox, tree.TreeviewCommon, MeldDoc):
         self.copy_selected(1)
 
     def action_swap(self, *args):
-        folder_x = self.folders[0]
-        self.folders[0] = self.folders[1]
-        self.folders[1] = folder_x
+        self.folders.reverse()
         self.refresh()
 
     def action_delete(self, *args):