[cogl] doc: Fix the mention of cogl_is_texture_2d()

[Damien Lespiau <dlespiau src gnome org>]

commit bbc367cc11fb1a62e74a66f491610ba058d01a47
Author: Damien Lespiau <damien lespiau intel com>
Date:   Sun Dec 30 19:26:56 2012 +0000

    doc: Fix the mention of cogl_is_texture_2d()
    
    Copy/paste error from TextureRectangle, most likely. Also add
    <SUBSECTION> tags

 doc/reference/cogl2/cogl2-sections.txt |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)
---
diff --git a/doc/reference/cogl2/cogl2-sections.txt b/doc/reference/cogl2/cogl2-sections.txt
index 37c1e59..c3b643a 100644
--- a/doc/reference/cogl2/cogl2-sections.txt
+++ b/doc/reference/cogl2/cogl2-sections.txt
@@ -292,12 +292,16 @@ COGL_TEXTURE_MAX_WASTE
 <SECTION>
 <FILE>cogl-texture-2d</FILE>
 <TITLE>2D textures</TITLE>
+
+<SUBSECTION>
 CoglTexture2D
+cogl_is_texture_2d
+
+<SUBSECTION>
 cogl_texture_2d_new_with_size
 cogl_texture_2d_new_from_bitmap
 cogl_texture_2d_new_from_data
 cogl_texture_2d_gl_new_from_foreign
-cogl_is_texture_rectangle
 </SECTION>
 
 <SECTION>