[gtksourceview] docs: add missing GTK_SOURCE_VERSION_* to the docs

[Sébastien Wilmet <swilmet src gnome org>]

commit 6aa9abc0edfa2110c042f92b32af79a83772959e
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sat Dec 19 19:27:12 2015 +0100

    docs: add missing GTK_SOURCE_VERSION_* to the docs
    
    Will the 3_26 be also missing?

 docs/reference/gtksourceview-3.0-sections.txt |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gtksourceview-3.0-sections.txt b/docs/reference/gtksourceview-3.0-sections.txt
index 1629029..e0725f1 100644
--- a/docs/reference/gtksourceview-3.0-sections.txt
+++ b/docs/reference/gtksourceview-3.0-sections.txt
@@ -852,10 +852,12 @@ GTK_SOURCE_CHECK_VERSION
 GTK_SOURCE_VERSION_3_0
 GTK_SOURCE_VERSION_3_2
 GTK_SOURCE_VERSION_3_4
+GTK_SOURCE_VERSION_3_6
 GTK_SOURCE_VERSION_3_8
 GTK_SOURCE_VERSION_3_10
 GTK_SOURCE_VERSION_3_12
 GTK_SOURCE_VERSION_3_14
+GTK_SOURCE_VERSION_3_16
 GTK_SOURCE_VERSION_3_18
 GTK_SOURCE_VERSION_3_20
 GTK_SOURCE_VERSION_MIN_REQUIRED