[amtk/wip/swilmet/meson: 8/10] docs: fix warning

[Sébastien Wilmet <swilmet src gnome org>]

commit 3c65e9f7c896ec3efb3e2038dd223836dd41de6c
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Tue Sep 8 06:30:32 2020 +0200

    docs: fix warning
    
    About 1 unused declaration.
    
    It's maybe possible to ignore it from the meson.build file, but I'm
    lazy.

 docs/reference/amtk-sections.txt | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/docs/reference/amtk-sections.txt b/docs/reference/amtk-sections.txt
index de3fee2..e262968 100644
--- a/docs/reference/amtk-sections.txt
+++ b/docs/reference/amtk-sections.txt
@@ -5,6 +5,8 @@
 <TITLE>Amtk Initialization and Finalization</TITLE>
 amtk_init
 amtk_finalize
+<SUBSECTION Standard>
+AMTK_H_INSIDE
 </SECTION>
 
 <SECTION>