[gnome-tweak-tool] Dropped semicolon

[Robert Roth <robertroth src gnome org>]

commit 265fcae800524c9326ee62a3bd78b2a440e1a520
Author: Robert Roth <robert roth off gmail com>
Date:   Wed Jan 7 19:25:34 2015 +0200

    Dropped semicolon

 gtweak/tweaks/tweak_group_windows.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtweak/tweaks/tweak_group_windows.py b/gtweak/tweaks/tweak_group_windows.py
index 40dc54b..c4d2f1f 100644
--- a/gtweak/tweaks/tweak_group_windows.py
+++ b/gtweak/tweaks/tweak_group_windows.py
@@ -85,7 +85,7 @@ class WindowScalingFactorTweak(Gtk.Box, Tweak):
     def _update_countdown_message(self):
         self._second_message = gettext.ngettext(_("Settings will be reverted in %d second"),
                                                 _("Settings will be reverted in %d seconds"),
-                                                self._countdown);
+                                                self._countdown)
 
     def _close(self):
         if self._source > 0: