demos: Update testpixbuf-scale demo for adjustment sealing
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		@ -24,9 +24,9 @@ set_interp_type (GtkWidget *widget, gpointer data)
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void
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					void
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overall_changed_cb (GtkAdjustment *adjustment, gpointer data)
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					overall_changed_cb (GtkAdjustment *adjustment, gpointer data)
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{
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					{
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  if (adjustment->value != overall_alpha)
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					  if (gtk_adjustment_get_value (adjustment) != overall_alpha)
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    {
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					    {
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      overall_alpha = adjustment->value;
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					      overall_alpha = gtk_adjustment_get_value (adjustment);
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      gtk_widget_queue_draw (darea);
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					      gtk_widget_queue_draw (darea);
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    }
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					    }
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}
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					}
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