[gtk+] spinbutton: Trivial cleanup

[Matthias Clasen <matthiasc src gnome org>]

commit 811c1c9484aedc5b520d26163441d09b70078e57
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Oct 28 16:35:16 2015 -0400

    spinbutton: Trivial cleanup
    
    Use g_clear_object in a few places.

 gtk/gtkspinbutton.c |    7 ++-----
 1 files changed, 2 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkspinbutton.c b/gtk/gtkspinbutton.c
index bac8bde..a148c06 100644
--- a/gtk/gtkspinbutton.c
+++ b/gtk/gtkspinbutton.c
@@ -736,11 +736,8 @@ gtk_spin_button_finalize (GObject *object)
 
   gtk_spin_button_unset_adjustment (spin_button);
 
-  if (priv->down_panel_context)
-    g_object_unref (priv->down_panel_context);
-
-  if (priv->up_panel_context)
-    g_object_unref (priv->up_panel_context);
+  g_clear_object (&priv->up_panel_context);
+  g_clear_object (&priv->down_panel_context);
 
   g_object_unref (priv->swipe_gesture);