[gthumb] use gtk_scrolled_window_add_with_viewport instead of gtk_container_add

[Paolo Bacchilega <paobac src gnome org>]

commit 3bfa1279f5756fdef0ce58c5bd9f345922261da7
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Nov 6 09:43:01 2011 +0100

    use gtk_scrolled_window_add_with_viewport instead of gtk_container_add

 gthumb/gth-histogram-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/gthumb/gth-histogram-view.c b/gthumb/gth-histogram-view.c
index afc8b9d..f231d2a 100644
--- a/gthumb/gth-histogram-view.c
+++ b/gthumb/gth-histogram-view.c
@@ -940,7 +940,7 @@ gth_histogram_view_init (GthHistogramView *self)
 	self->priv->histogram_view = gtk_drawing_area_new ();
 	gtk_widget_add_events (self->priv->histogram_view, GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK | GDK_POINTER_MOTION_MASK | GDK_STRUCTURE_MASK);
 	gtk_widget_show (self->priv->histogram_view);
-	gtk_container_add (GTK_CONTAINER (view_container), self->priv->histogram_view);
+	gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (view_container), self->priv->histogram_view);
 
 	g_signal_connect (self->priv->histogram_view,
 			  "draw",