[gupnp-igd] Hide private struct from gtk-doc

[Olivier Crête <tester src gnome org>]

commit 166e27a67ad2e51fd136a8d0f0d8c01556fe46e5
Author: Olivier Crête <olivier crete collabora com>
Date:   Wed Mar 18 19:21:05 2020 -0400

    Hide private struct from gtk-doc

 doc/gupnp-igd-sections.txt | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/doc/gupnp-igd-sections.txt b/doc/gupnp-igd-sections.txt
index f29be52..cbce5da 100644
--- a/doc/gupnp-igd-sections.txt
+++ b/doc/gupnp-igd-sections.txt
@@ -2,7 +2,6 @@
 <FILE>gupnp-simple-igd</FILE>
 <TITLE>GUPnPSimpleIgd</TITLE>
 GUPnPSimpleIgd
-GUPnPSimpleIgdClass
 GUPNP_SIMPLE_IGD_ERROR
 GUPnPSimpleIgdError
 gupnp_simple_igd_new
@@ -21,15 +20,16 @@ gupnp_simple_igd_get_type
 GUPNP_IS_SIMPLE_IGD_CLASS
 gupnp_simple_igd_error_get_type
 gupnp_simple_igd_error_quark
+GUPNP_TYPE_SIMPLE_IGD_ERROR
 <SUBSECTION Private>
 GUPnPSimpleIgdPrivate
+GUPnPSimpleIgdClass
 </SECTION>
 
 <SECTION>
 <FILE>gupnp-simple-igd-thread</FILE>
 <TITLE>GUPnPSimpleIgdThread</TITLE>
 GUPnPSimpleIgdThread
-GUPnPSimpleIgdThreadClass
 gupnp_simple_igd_thread_new
 <SUBSECTION Standard>
 GUPNP_SIMPLE_IGD_THREAD
@@ -46,4 +46,5 @@ gupnp_simple_igd_thread_get_type
 GUPNP_IS_SIMPLE_IGD_THREAD_CLASS
 <SUBSECTION Private>
 GUPnPSimpleIgdThreadPrivate
+GUPnPSimpleIgdThreadClass
 </SECTION>