[gtk+/wip/baedert/children] spinbutton: unref child widgets

[Timm Bäder <baedert src gnome org>]

commit 8f991413f0b613b5f9f499d7a630b892b1fa972f
Author: Timm Bäder <mail baedert org>
Date:   Wed Dec 7 14:27:37 2016 +0100

    spinbutton: unref child widgets

 gtk/gtkspinbutton.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/gtk/gtkspinbutton.c b/gtk/gtkspinbutton.c
index 9fe3d91..4dd7f7f 100644
--- a/gtk/gtkspinbutton.c
+++ b/gtk/gtkspinbutton.c
@@ -901,6 +901,8 @@ gtk_spin_button_finalize (GObject *object)
   g_object_unref (priv->swipe_gesture);
   g_object_unref (priv->up_click_gesture);
   g_object_unref (priv->down_click_gesture);
+  g_object_unref (priv->up_button);
+  g_object_unref (priv->down_button);
 
   G_OBJECT_CLASS (gtk_spin_button_parent_class)->finalize (object);
 }