[gnome-builder] animation: handle frame clock not yet being available.

[Christian Hergert <chergert src gnome org>]

commit 13e0ecbb134b1ada0f87d26354def578caa261c7
Author: Christian Hergert <christian hergert me>
Date:   Mon Sep 8 18:26:22 2014 -0700

    animation: handle frame clock not yet being available.

 src/animation/gb-animation.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/src/animation/gb-animation.c b/src/animation/gb-animation.c
index 5598cae..431d877 100644
--- a/src/animation/gb-animation.c
+++ b/src/animation/gb-animation.c
@@ -305,11 +305,9 @@ gb_animation_get_offset (GbAnimation *animation)
 
   priv = animation->priv;
 
-  if (GTK_IS_WIDGET (priv->target))
-    {
-      frame_clock = gtk_widget_get_frame_clock (priv->target);
-      frame_msec = gdk_frame_clock_get_frame_time (frame_clock) / 1000UL;
-    }
+  if (GTK_IS_WIDGET (priv->target) &&
+      (frame_clock = gtk_widget_get_frame_clock (priv->target)))
+    frame_msec = gdk_frame_clock_get_frame_time (frame_clock) / 1000UL;
   else
     frame_msec = g_get_monotonic_time () / 1000UL;