[clutter/clutter-1.20] build: Ignore private header while building docs

[Emmanuele Bassi <ebassi src gnome org>]

commit e31d7d74005d3fa628ddb2fd0cca19ccc5109aec
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Sep 15 16:42:54 2014 +0100

    build: Ignore private header while building docs

 doc/reference/clutter/Makefile.am |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/doc/reference/clutter/Makefile.am b/doc/reference/clutter/Makefile.am
index 115b3a1..06121c3 100644
--- a/doc/reference/clutter/Makefile.am
+++ b/doc/reference/clutter/Makefile.am
@@ -90,6 +90,7 @@ IGNORE_HFILES = \
        clutter-private.h               \
        clutter-profile.h               \
        clutter-script-private.h        \
+       clutter-settings-private.h      \
        clutter-stage-manager-private.h \
        clutter-stage-private.h         \
        clutter-stage-window.h          \