[gtk+/gtk-3-6] win32: add margin to scale trough

[Ignacio Casal Quinteiro <icq src gnome org>]

commit fb1c1bdd2fdb239015f8c52327f978498620f8ec
Author: Ignacio Casal Quinteiro <icq gnome org>
Date:   Fri Jan 24 18:01:28 2014 +0100

    win32: add margin to scale trough

 gtk/gtk-win32-base.css |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtk-win32-base.css b/gtk/gtk-win32-base.css
index 871db23..4abc53b 100644
--- a/gtk/gtk-win32-base.css
+++ b/gtk/gtk-win32-base.css
@@ -438,13 +438,15 @@ GtkButton.check:active:prelight {
 }
 
 .scale.trough {
+    margin: 8px 0;
     border-style: none;
     border-width: 0;
-    background-image: -gtk-win32-theme-part(trackbar, 1 1, margins (2 0 2 0));
+    background-image: -gtk-win32-theme-part(trackbar, 1 1);
 }
 
 .scale.trough.vertical {
-    background-image: -gtk-win32-theme-part(trackbar, 1 1, margins (0 2 0 2));
+    margin: 0 8px;
+    background-image: -gtk-win32-theme-part(trackbar, 1 1);
 }
 
 .scale.slider {