[gtk+/native-layout] Add 2.20 index for gdk docs

[Tristan Van Berkom <tvb src gnome org>]

commit 462a491fa7ac455a350547bfee9b6eafeb8845ac
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Feb 23 13:57:47 2010 -0500

    Add 2.20 index for gdk docs

 docs/reference/gdk/gdk-docs.sgml |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gdk/gdk-docs.sgml b/docs/reference/gdk/gdk-docs.sgml
index ab865ec..1e0c7b5 100644
--- a/docs/reference/gdk/gdk-docs.sgml
+++ b/docs/reference/gdk/gdk-docs.sgml
@@ -108,6 +108,10 @@
     <title>Index of new symbols in 2.18</title>
     <xi:include href="xml/api-index-2.18.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-2-20" role="2.20">
+    <title>Index of new symbols in 2.20</title>
+    <xi:include href="xml/api-index-2.20.xml"><xi:fallback /></xi:include>
+  </index>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>