[gtksourceview] docs: fix xml reference

[Christian Hergert <chergert src gnome org>]

commit 6dfb7a58bc2b235f60e302dac06dae551bef5cc3
Author: Christian Hergert <chergert redhat com>
Date:   Mon Oct 11 18:47:36 2021 -0700

    docs: fix xml reference

 docs/reference/gtksourceview-docs.xml.in | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/docs/reference/gtksourceview-docs.xml.in b/docs/reference/gtksourceview-docs.xml.in
index 9a70a135..711da860 100644
--- a/docs/reference/gtksourceview-docs.xml.in
+++ b/docs/reference/gtksourceview-docs.xml.in
@@ -37,10 +37,10 @@
       <xi:include href="xml/style.xml"/>
       <xi:include href="xml/stylescheme.xml"/>
       <xi:include href="xml/styleschememanager.xml"/>
+      <xi:include href="xml/styleschemepreview.xml"/>
       <xi:include href="xml/styleschemechooser.xml"/>
       <xi:include href="xml/styleschemechooserbutton.xml"/>
       <xi:include href="xml/styleschemechooserwidget.xml"/>
-      <xi:include href="xml/styleschemechooserpreview.xml"/>
     </chapter>
 
     <chapter id="completion">