[gdk-pixbuf] Add an index for 2.28 api additions

[Matthias Clasen <matthiasc src gnome org>]

commit ba4651439767f5f6e84dcbb16861cab37a36b7ba
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Mar 2 10:39:38 2013 -0500

    Add an index for 2.28 api additions

 docs/reference/gdk-pixbuf/gdk-pixbuf.xml |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gdk-pixbuf/gdk-pixbuf.xml b/docs/reference/gdk-pixbuf/gdk-pixbuf.xml
index 41dab6e..e3f5096 100644
--- a/docs/reference/gdk-pixbuf/gdk-pixbuf.xml
+++ b/docs/reference/gdk-pixbuf/gdk-pixbuf.xml
@@ -148,6 +148,10 @@
     <title>Index of new symbols in 2.26</title>
     <xi:include href="xml/api-index-2.26.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-2-28" role="2.28">
+    <title>Index of new symbols in 2.28</title>
+    <xi:include href="xml/api-index-2.28.xml"><xi:fallback /></xi:include>
+  </index>
 
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