[gnome-usage] theme: Fix missing bracket } in the end of CSS property

[Felipe Borges <felipeborges src gnome org>]

commit 905dc1f2470858817a85108b1fe0c1316d6ccb1c
Author: Felipe Borges <felipeborges gnome org>
Date:   Tue Dec 5 16:56:51 2017 +0100

    theme: Fix missing bracket } in the end of CSS property

 data/interface/adwaita.css | 1 +
 1 file changed, 1 insertion(+)
---
diff --git a/data/interface/adwaita.css b/data/interface/adwaita.css
index 0d9128a..2bd261c 100644
--- a/data/interface/adwaita.css
+++ b/data/interface/adwaita.css
@@ -172,3 +172,4 @@ box.storage {
 
 .tag.tag-user {
     background: alpha(@theme_fg_color, 0.4);
+}