[gtk+] win32 theme: Replace metric ids with metric names

[Benjamin Otte <otte src gnome org>]

commit cdb12fec9e4c5af7dbd4452ea686e41eece20f7e
Author: Benjamin Otte <otte redhat com>
Date:   Mon Feb 22 00:50:01 2016 +0100

    win32 theme: Replace metric ids with metric names
    
    Makes it more obvious what's actually happening.

 gtk/theme/win32/gtk-win32-base.css |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/theme/win32/gtk-win32-base.css b/gtk/theme/win32/gtk-win32-base.css
index d2ea50f..1795d71 100644
--- a/gtk/theme/win32/gtk-win32-base.css
+++ b/gtk/theme/win32/gtk-win32-base.css
@@ -346,11 +346,11 @@ scrollbar {
     background-color: transparent;
     -GtkRange-trough-border: 0;
     -GtkRange-arrow-scaling: 0.0;
-    -GtkRange-slider-width: -gtk-win32-size(scrollbar, 3);
+    -GtkRange-slider-width: -gtk-win32-size(scrollbar, cyhscroll);
 }
 
 scrollbar.vertical {
-    -GtkRange-slider-width: -gtk-win32-size(scrollbar, 2);
+    -GtkRange-slider-width: -gtk-win32-size(scrollbar, cxvscroll);
 }
 
 scrollbar button.bottom {