Don't crash the view when no image is present
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@ -504,7 +504,7 @@ start_animating(FastivView *self)
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stop_animating(self);
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GdkFrameClock *clock = gtk_widget_get_frame_clock(GTK_WIDGET(self));
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if (!clock ||
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if (!clock || !self->image ||
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!cairo_surface_get_user_data(self->page, &fastiv_io_key_frame_next))
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return;
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