[gtk/wip/baedert/for-master] widget: Don't get the frame clock if we don't use it

[Timm Bäder <baedert src gnome org>]

commit 83543423e2141863858d3e49e9d43c3a36d75ce8
Author: Timm Bäder <mail baedert org>
Date:   Sat Jun 27 11:38:45 2020 +0200

    widget: Don't get the frame clock if we don't use it

 gtk/gtkwidget.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c
index 857aa9ac62..6f1fbb5bb0 100644
--- a/gtk/gtkwidget.c
+++ b/gtk/gtkwidget.c
@@ -7377,14 +7377,14 @@ static void
 gtk_widget_real_realize (GtkWidget *widget)
 {
   GtkWidgetPrivate *priv = gtk_widget_get_instance_private (widget);
-  GdkFrameClock *frame_clock;
 
   priv->realized = TRUE;
 
   /* Connect frame clock */
-  frame_clock = gtk_widget_get_frame_clock (widget);
   if (priv->tick_callbacks != NULL && !priv->clock_tick_id)
     {
+      GdkFrameClock *frame_clock = gtk_widget_get_frame_clock (widget);
+
       priv->clock_tick_id = g_signal_connect (frame_clock, "update",
                                               G_CALLBACK (gtk_widget_on_frame_clock_update),
                                               widget);