[amtk] docs: add index of new symbols in 5.0

[Sébastien Wilmet <swilmet src gnome org>]

commit b60cadd8b9d3b301174aad22acef1349985685a5
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Thu Apr 12 13:03:33 2018 +0200

    docs: add index of new symbols in 5.0

 docs/reference/amtk-docs.xml.in |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/amtk-docs.xml.in b/docs/reference/amtk-docs.xml.in
index 8cd14b0..b03ffe2 100644
--- a/docs/reference/amtk-docs.xml.in
+++ b/docs/reference/amtk-docs.xml.in
@@ -54,5 +54,9 @@
       <title>Index of new symbols in 4.0</title>
       <xi:include href="xml/api-index-4.0.xml"><xi:fallback /></xi:include>
     </index>
+    <index id="api-index-5-0" role="5.0">
+      <title>Index of new symbols in 5.0</title>
+      <xi:include href="xml/api-index-5.0.xml"><xi:fallback /></xi:include>
+    </index>
   </part>
 </book>