[gtksourceview] Adwaita.xml: lighten preprocessor

[Christian Hergert <chergert src gnome org>]

commit 3a06052cfccb89dc87a5f81a31cce58ad96712c9
Author: Christian Hergert <chergert redhat com>
Date:   Tue Dec 28 16:15:42 2021 -0800

    Adwaita.xml: lighten preprocessor

 data/styles/Adwaita.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/data/styles/Adwaita.xml b/data/styles/Adwaita.xml
index 83dcc34a..6d75aba6 100644
--- a/data/styles/Adwaita.xml
+++ b/data/styles/Adwaita.xml
@@ -136,7 +136,7 @@
   <style name="def:net-address"             underline="true" foreground="blue3"/>
   <style name="def:note"                    underline="error" underline-color="light5"/>
   <style name="def:preformatted-section"    foreground="purple1"/>
-  <style name="def:preprocessor"            foreground="dark1"/>
+  <style name="def:preprocessor"            foreground="#8e8e8e"/>
   <style name="def:shebang"                 foreground="dark1" bold="true"/>
   <style name="def:special-char"            foreground="blue3"/>
   <style name="def:special-constant"        foreground="light5"/>