[gnome-themes-standard] nautilus: use correct color for sidebar backdrop border

[Cosimo Cecchi <cosimoc src gnome org>]

commit 5b2d480419c3fbf1dc64e7103486a535c5cf1e8d
Author: Tobias Wolf <towolf gmail com>
Date:   Mon Jul 16 13:35:58 2012 -0400

    nautilus: use correct color for sidebar backdrop border
    
    https://bugzilla.gnome.org/show_bug.cgi?id=680031

 themes/Adwaita/gtk-3.0/gnome-applications.css |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gnome-applications.css b/themes/Adwaita/gtk-3.0/gnome-applications.css
index d0dc988..05efd5a 100644
--- a/themes/Adwaita/gtk-3.0/gnome-applications.css
+++ b/themes/Adwaita/gtk-3.0/gnome-applications.css
@@ -60,6 +60,10 @@ NautilusWindow .sidebar .frame {
     border-radius: 0;
 }
 
+NautilusWindow .sidebar .frame:backdrop {
+    border-color: @unfocused_borders;
+}
+
 NautilusWindow > GtkGrid > .pane-separator {
     border-width: 1px 1px 0 0;
     border-style: solid;