[gtk+] W32: Fix dummy prelight style for check/radio buttons

[Руслан Ижбулатов <ruslanizhb src gnome org>]

commit 5309149f75c34390659871f8eb62943809d67e66
Author: Руслан Ижбулатов <lrn1986 gmail com>
Date:   Wed Apr 23 15:58:45 2014 +0000

    W32: Fix dummy prelight style for check/radio buttons
    
    Use a dummy transparent gradient instead of actual color (which screws up
    focus rectangle on prelight), and apply to non-prelight state as well.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=728807

 gtk/resources/theme/gtk-win32-base.css |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/gtk/resources/theme/gtk-win32-base.css b/gtk/resources/theme/gtk-win32-base.css
index 701c3fc..ca84e79 100644
--- a/gtk/resources/theme/gtk-win32-base.css
+++ b/gtk/resources/theme/gtk-win32-base.css
@@ -160,9 +160,11 @@ GtkRadioButton:prelight:selected {
 }
 
 /* This is meaningless, it just enables prelight propagation to check/radio mark */
+GtkCheckButton,
+GtkRadioButton,
 GtkCheckButton:prelight,
 GtkRadioButton:prelight {
-  color: @fg_color;
+  background-image: -gtk-gradient (linear, left top, right bottom, from(transparent), to(transparent));
 }
 
 .check {