[librsvg] Add index for the new symbols in 2.46

[Federico Mena Quintero <federico src gnome org>]

commit d14f0633d6931605ed00f6ab778ca72207ef8069
Author: Federico Mena Quintero <federico gnome org>
Date:   Fri Aug 2 15:49:55 2019 -0500

    Add index for the new symbols in 2.46
    
    (... where the hell are these supposed to be rendered?)

 doc/rsvg-docs.xml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
---
diff --git a/doc/rsvg-docs.xml b/doc/rsvg-docs.xml
index d744e2e0..3d0046f5 100644
--- a/doc/rsvg-docs.xml
+++ b/doc/rsvg-docs.xml
@@ -161,9 +161,13 @@
     <xi:include href="xml/api-index-2.32.xml"/>
   </index>
   <index xml:id="api-index-2-36" role="2.36">
-    <title>Index of new symbols in 2.32</title>
+    <title>Index of new symbols in 2.36</title>
     <xi:include href="xml/api-index-2.36.xml"/>
   </index>
+  <index xml:id="api-index-2-46" role="2.46">
+    <title>Index of new symbols in 2.46</title>
+    <xi:include href="xml/api-index-2.46.xml"/>
+  </index>
 
   <xi:include href="xml/annotation-glossary.xml"/>