[gnome-photos/wip/rishi/misc-fixes: 9/18] preview-view: Unref the PreviewNavButtons during destruction

[Debarshi Ray <debarshir src gnome org>]

commit 1b37812830e81c81213b5a0795e7fc3afe5ffaab
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Dec 14 18:34:37 2015 +0100

    preview-view: Unref the PreviewNavButtons during destruction

 src/photos-preview-view.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/photos-preview-view.c b/src/photos-preview-view.c
index 192ea43..6d7054e 100644
--- a/src/photos-preview-view.c
+++ b/src/photos-preview-view.c
@@ -511,6 +511,7 @@ photos_preview_view_dispose (GObject *object)
   g_clear_object (&priv->node);
   g_clear_object (&priv->item_mngr);
   g_clear_object (&priv->mode_cntrlr);
+  g_clear_object (&priv->nav_buttons);
 
   G_OBJECT_CLASS (photos_preview_view_parent_class)->dispose (object);
 }