[gtk+/wip/baedert/stack-size-interpolate: 7/11] GtkStack: Remove useless cast

[Timm Bäder <baedert src gnome org>]

commit 911d482c4ebb99852e00167308738a052d04a437
Author: Timm Bäder <mail baedert org>
Date:   Sun May 24 21:08:00 2015 +0200

    GtkStack: Remove useless cast

 gtk/gtkstack.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkstack.c b/gtk/gtkstack.c
index 76b5e19..46aa915 100644
--- a/gtk/gtkstack.c
+++ b/gtk/gtkstack.c
@@ -898,7 +898,7 @@ gtk_stack_transition_cb (GtkWidget     *widget,
     t = (now - priv->start_time) / (double) (priv->end_time - priv->start_time);
 
   /* Finish animation early if not mapped anymore */
-  if (!gtk_widget_get_mapped (GTK_WIDGET (stack)))
+  if (!gtk_widget_get_mapped (widget))
     t = 1.0;
 
   if (gtk_stack_set_transition_position (stack, t))