[glib] GNotification: Don't install private headers, avoid duplicated prototype

[Colin Walters <walters src gnome org>]

commit b21c86b6a01453b522c1a428fc5961d3a4204649
Author: Colin Walters <walters verbum org>
Date:   Mon Oct 21 15:05:45 2013 -0400

    GNotification: Don't install private headers, avoid duplicated prototype
    
    These both break gobject-introspection's build, and moreover are
    things we don't want to do anyways.

 gio/Makefile.am             |    4 ++--
 gio/gnotification-private.h |    2 --
 2 files changed, 2 insertions(+), 4 deletions(-)
---
diff --git a/gio/Makefile.am b/gio/Makefile.am
index d57510c..5156179 100644
--- a/gio/Makefile.am
+++ b/gio/Makefile.am
@@ -153,8 +153,6 @@ application_headers = \
        gmenuexporter.h                 \
        gdbusmenumodel.h                \
        gnotification.h                 \
-       gnotification-private.h         \
-       gnotificationbackend.h          \
        $(NULL)
 
 application_sources = \
@@ -178,6 +176,8 @@ application_sources = \
        gmenu.c                                 \
        gmenuexporter.c                         \
        gdbusmenumodel.c                        \
+       gnotification-private.h                 \
+       gnotificationbackend.h                  \
        gnotification.c                         \
        gnotificationbackend.c                  \
        $(NULL)
diff --git a/gio/gnotification-private.h b/gio/gnotification-private.h
index e6513b3..af6ad83 100644
--- a/gio/gnotification-private.h
+++ b/gio/gnotification-private.h
@@ -51,6 +51,4 @@ gboolean                g_notification_get_default_action               (GNotifi
 
 GVariant *              g_notification_serialize                        (GNotification *notification);
 
-GVariant *      g_notification_serialize                (GNotification *notification);
-
 #endif