doc: Add GstNetControlMessageMeta to the doc

This is being referenced elsewhere, but results in broken links.
It seems to be public API, so I think it should be in the doc.

diff --git a/docs/libs/gstreamer-libs-docs.sgml b/docs/libs/gstreamer-libs-docs.sgml
index 9337ebb..c40f125 100644 (file)
--- a/docs/libs/gstreamer-libs-docs.sgml
+++ b/docs/libs/gstreamer-libs-docs.sgml
@@ -74,6 +74,7 @@
 
       <xi:include href="xml/gstnetaddressmeta.xml" />
       <xi:include href="xml/gstnetclientclock.xml" />
+      <xi:include href="xml/gstnetcontrolmessagemeta.xml" />
       <xi:include href="xml/gstnettimepacket.xml" />
       <xi:include href="xml/gstnettimeprovider.xml" />
       <xi:include href="xml/gstptpclock.xml" />