[vte] docs: Add index for API new in 0.64

[Christian Persch <chpe src gnome org>]

commit 5d74cff80f63022a9d39f6dc598013da5a5b1412
Author: Christian Persch <chpe src gnome org>
Date:   Sat Nov 28 18:05:53 2020 +0100

    docs: Add index for API new in 0.64

 doc/reference/vte-docs.xml | 4 ++++
 1 file changed, 4 insertions(+)
---
diff --git a/doc/reference/vte-docs.xml b/doc/reference/vte-docs.xml
index 83925a1e..a628d4f3 100644
--- a/doc/reference/vte-docs.xml
+++ b/doc/reference/vte-docs.xml
@@ -130,6 +130,10 @@
     <title>Index of new symbols in 0.62</title>
     <xi:include href="xml/api-index-0.62.xml"><xi:fallback /></xi:include>
   </index>
+  <index id="api-index-0-64" role="0.64">
+    <title>Index of new symbols in 0.64</title>
+    <xi:include href="xml/api-index-0.64.xml"><xi:fallback /></xi:include>
+  </index>
 
   <xi:include href="xml/annotation-glossary.xml"><xi:fallback /></xi:include>