[gtk+] Raleigh: fix a typo

[Matthias Clasen <matthiasc src gnome org>]

commit 2dcf6c6b718db189412453393f90c76aa189b527
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Apr 28 15:38:17 2014 -0400

    Raleigh: fix a typo

 gtk/resources/theme/gtk-default.css |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/resources/theme/gtk-default.css b/gtk/resources/theme/gtk-default.css
index 8c30613..1c4a9e3 100644
--- a/gtk/resources/theme/gtk-default.css
+++ b/gtk/resources/theme/gtk-default.css
@@ -855,6 +855,6 @@ GtkCalendar.button:hover {
   background-color: @bg_color;
 }
 
-window-frame:backdrop {
+.window-frame:backdrop {
   box-shadow: 0 2px 5px 1px alpha(black, 0.5);
 }