[gnome-themes-standard] adwaita gtk3: use border-image-slice on column-header:last-child istead istead of play

[Lapo Calamandrei <lapo src gnome org>]

commit 7cd43d6bc7995a0191e5787792cce8360b5d6ec1
Author: Lapo Calamandrei <calamandrei gmail com>
Date:   Sun Nov 25 17:59:31 2012 +0100

    adwaita gtk3: use border-image-slice on column-header:last-child istead istead
                  of playing with borders.

 .../Adwaita/gtk-3.0/gtk-widgets-borders-dark.css   |    3 +--
 themes/Adwaita/gtk-3.0/gtk-widgets-borders.css     |    3 +--
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css b/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css
index 08f8ef9..dfeae08 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-borders-dark.css
@@ -206,8 +206,7 @@ column-header.button:last-child:active,
 column-header:last-child .button:active,
 column-header.button:last-child:active:hover,
 column-header:last-child .button:active:hover {
-    border-image: none;
-    border-color: mix(@borders, @theme_base_color, 0.5);
+    border-image-slice: 0 0 1 0;
 }
 
 
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css b/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css
index b2f489d..3682b2a 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets-borders.css
@@ -207,8 +207,7 @@ column-header.button:last-child:active,
 column-header:last-child .button:active,
 column-header.button:last-child:active:hover,
 column-header:last-child .button:active:hover {
-    border-image: none;
-    border-color: mix(@borders, @theme_base_color, 0.5);
+    border-image-slice: 0 0 1 0;
 }