[gtk+] Clean up gdk docs build a bit

[Matthias Clasen <matthiasc src gnome org>]

commit 3409ec56ca4eddbe25c81b49b8382d98ed801e73
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 20 22:44:03 2016 -0400

    Clean up gdk docs build a bit
    
    Ignore more headers.

 docs/reference/gdk/Makefile.am |   21 ++++++++++++++++++---
 1 files changed, 18 insertions(+), 3 deletions(-)
---
diff --git a/docs/reference/gdk/Makefile.am b/docs/reference/gdk/Makefile.am
index aef7cab..3617bde 100644
--- a/docs/reference/gdk/Makefile.am
+++ b/docs/reference/gdk/Makefile.am
@@ -26,12 +26,27 @@ IGNORE_HFILES=                      \
        gdkkeysyms.h            \
        gdkinternals.h          \
        gdkprivate.h            \
-       gdk*private.h           \
+       gdk-private.h           \
+       gdkapplaunchcontextprivate.h \
+       gdkcursorprivate.h      \
+       gdkdevicemanagerprivate.h \
+       gdkdeviceprivate.h      \
+       gdkdisplaymanagerprivate.h \
+       gdkdisplayprivate.h     \
+       gdkdndprivate.h         \
+       gdkframeclockprivate.h  \
+       gdkglcontextprivate.h   \
+       gdkkeysprivate.h        \
+       gdkscreenprivate.h      \
+       gdkseatdefaultprivate.h \
+       gdkseatprivate.h        \
+       gdkvisualprivate.h      \
        keyname-table.h         \
-       wayland/xdg-shell-client-protocol.h \
        win32                   \
        x11                     \
-       quartz
+       quartz                  \
+       broadway                \
+       wayland
 
 # Extra files to add when scanning
 EXTRA_HFILES=                  \