[gnome-themes-standard] Fix dark pixels in outer top corners of leftmost and rightmost linked buttons

[Jakub Steiner <jimmac src gnome org>]

commit f622129dcd8592925ec47eafb79b9b341cef2846
Author: Nikita Churaev <lamefun x0r gmail com>
Date:   Mon Mar 10 01:56:49 2014 +0400

    Fix dark pixels in outer top corners of leftmost and rightmost linked buttons
    
    https://bugzilla.gnome.org/show_bug.cgi?id=704735

 themes/Adwaita/gtk-3.0/gtk-widgets.css |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-3.0/gtk-widgets.css b/themes/Adwaita/gtk-3.0/gtk-widgets.css
index abd2ca1..5112cdb 100644
--- a/themes/Adwaita/gtk-3.0/gtk-widgets.css
+++ b/themes/Adwaita/gtk-3.0/gtk-widgets.css
@@ -1352,6 +1352,7 @@ GtkComboBox.combobox-entry .button {
 .linked .button:active:hover:first-child,
 .linked .button:insensitive:first-child {
     border-right-width: 0;
+    border-left-width: 1px;
     border-image-width: 3px 0 4px 3px;
     border-bottom-right-radius: 0;
     border-top-right-radius: 0;
@@ -1363,6 +1364,7 @@ GtkComboBox.combobox-entry .button {
 .linked .button:active:last-child,
 .linked .button:active:hover:last-child,
 .linked .button:insensitive:last-child {
+    border-right-width: 1px;
     border-left-width: 0;
     border-image-width: 3px 3px 4px 0;
     border-bottom-left-radius: 0;