[gtk/gtk-3-24: 1/2] theme: Fix incorrect border color for tiled windows

[Matthias Clasen <matthiasc src gnome org>]

commit 1b78ed448882b15c27fb74f8ead0e0f76d285f59
Author: Joonas Henriksson <joonas henriksson gmail com>
Date:   Thu Jan 27 06:08:40 2022 +0200

    theme: Fix incorrect border color for tiled windows

 gtk/theme/Adwaita/_common.scss | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/theme/Adwaita/_common.scss b/gtk/theme/Adwaita/_common.scss
index 57c9890bdb..198690e5fb 100644
--- a/gtk/theme/Adwaita/_common.scss
+++ b/gtk/theme/Adwaita/_common.scss
@@ -4587,7 +4587,7 @@ decoration {
   .tiled-bottom &,
   .tiled-left & {
     border-radius: 0;
-    box-shadow: 0 0 0 1px $_wm_border_backdrop,
+    box-shadow: 0 0 0 1px $_wm_border,
                 0 0 0 20px transparent; //transparent control workaround -- #3670
 
     &:backdrop { box-shadow: 0 0 0 1px $_wm_border_backdrop,