[cogl] doc: Add _add/remove_frame_callback api to -sections.txt

[Robert Bragg <rbragg src gnome org>]

commit 6655fee97fb6bcc2a516b710cc8ca1179685cb8f
Author: Robert Bragg <robert linux intel com>
Date:   Thu Jan 31 12:59:08 2013 +0000

    doc: Add _add/remove_frame_callback api to -sections.txt
    
    This lists the cogl_onscreen_add/remove_frame_callback functions and
    CoglFrameClosure and CoglFrameCallback types in cogl2-sections.txt

 doc/reference/cogl2/cogl2-sections.txt |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/doc/reference/cogl2/cogl2-sections.txt b/doc/reference/cogl2/cogl2-sections.txt
index 722677a..d75fa3f 100644
--- a/doc/reference/cogl2/cogl2-sections.txt
+++ b/doc/reference/cogl2/cogl2-sections.txt
@@ -548,6 +548,12 @@ cogl_onscreen_show
 cogl_onscreen_hide
 
 <SUBSECTION>
+CoglFrameCallback
+CoglFrameClosure
+cogl_onscreen_add_frame_callback
+cogl_onscreen_remove_frame_callback
+
+<SUBSECTION>
 cogl_onscreen_swap_buffers
 cogl_onscreen_swap_region
 cogl_onscreen_set_swap_throttled