[gnome-shell/wip/snwh/style-updates] theme: rename incorrect named color

[Sam Hewitt <snwh src gnome org>]

commit f169f857016a742ad3d149bfaf80cab740cee2d5
Author: Sam Hewitt <sam snwh org>
Date:   Thu Jan 13 15:41:42 2022 -0330

    theme: rename incorrect named color

 data/theme/gnome-shell-sass/widgets/_looking-glass.scss | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/data/theme/gnome-shell-sass/widgets/_looking-glass.scss 
b/data/theme/gnome-shell-sass/widgets/_looking-glass.scss
index 1e288d158d..2b9cb83028 100644
--- a/data/theme/gnome-shell-sass/widgets/_looking-glass.scss
+++ b/data/theme/gnome-shell-sass/widgets/_looking-glass.scss
@@ -121,9 +121,9 @@
 .lg-debug-flag-button {
   StLabel { padding: $base_spacing, 2 * $base_spacing; }
 
-  color: $text_fg_color;
-  &:hover { color: lighten($text_fg_color, 20%); }
-  &:active { color: darken($text_fg_color, 20%); }
+  color: $fg_color;
+  &:hover { color: lighten($fg_color, 20%); }
+  &:active { color: darken($fg_color, 20%); }
 }
 
 .lg-debug-flags-header {