[gnome-todo] unscheduled: Properly translate panel name

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit 555d2176b094cbe0dda08b21fb91b7a12da463a9
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Mar 29 20:46:18 2018 -0300

    unscheduled: Properly translate panel name
    
    Fixes #159

 plugins/unscheduled-panel/unscheduled-panel/__init__.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/plugins/unscheduled-panel/unscheduled-panel/__init__.py 
b/plugins/unscheduled-panel/unscheduled-panel/__init__.py
index b57d627..83148cd 100644
--- a/plugins/unscheduled-panel/unscheduled-panel/__init__.py
+++ b/plugins/unscheduled-panel/unscheduled-panel/__init__.py
@@ -103,7 +103,7 @@ class UnscheduledPanel(Gtk.Box, Gtd.Panel):
             return _("Unscheduled")
         else:
             # Translators: 'Unscheduled' as in 'Unscheduled tasks'
-            return _("Unscheduled (%d)" % self.task_counter)
+            return _("Unscheduled (%d)") % self.task_counter
 
 
 class UnscheduledPanelPlugin(GObject.Object, Gtd.Activatable):