[gtk+] Quiet the doc build a bit

[Matthias Clasen <matthiasc src gnome org>]

commit a670de44255d836d2fbfdcde92d4ee81814f5f7f
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jan 4 18:22:47 2018 -0500

    Quiet the doc build a bit

 docs/reference/gdk/gdk4-sections.txt |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index bd54e63..8a2108a 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -635,6 +635,7 @@ GDK_IS_DEVICE
 GDK_IS_DEVICE_CLASS
 GDK_TYPE_DEVICE
 GDK_DEVICE_TOOL
+GDK_IS_DEVICE_TOOL
 
 <SUBSECTION Private>
 GdkDeviceClass
@@ -779,6 +780,7 @@ GDK_TYPE_EVENT_TYPE
 GDK_TYPE_CROSSING_MODE
 GDK_TYPE_SCROLL_DIRECTION
 GDK_TYPE_NOTIFY_TYPE
+GDK_IS_EVENT
 gdk_event_get_type
 </SECTION>
 
@@ -817,6 +819,7 @@ gdk_cursor_get_hotspot_y
 <SUBSECTION Standard>
 GDK_TYPE_CURSOR
 GDK_CURSOR
+GDK_IS_CURSOR
 
 <SUBSECTION Private>
 gdk_cursor_get_type
@@ -1245,6 +1248,9 @@ gdk_drawing_context_get_paint_context
 gdk_drawing_context_get_type
 GdkDrawingContextClass
 GDK_TYPE_DRAWING_CONTEXT
+GDK_DRAWING_CONTEXT_CLASS
+GDK_DRAWING_CONTEXT_GET_CLASS
+GDK_IS_DRAWING_CONTEXT_CLASS
 GDK_DRAWING_CONTEXT
 GDK_IS_DRAWING_CONTEXT
 </SECTION>
@@ -1317,6 +1323,8 @@ gdk_content_provider_get_value
 GDK_CONTENT_PROVIDER
 GDK_CONTENT_PROVIDER_CLASS
 GDK_CONTENT_PROVIDER_GET_CLASS
+GDK_IS_CONTENT_PROVIDER
+GDK_IS_CONTENT_PROVIDER_CLASS
 GdkContentProviderClass
 gdk_content_provider_get_type
 </SECTION>