[gnome-themes-standard] gtk2: don't forget to chain up if not overriding style

[Cosimo Cecchi <cosimoc src gnome org>]

commit d8bac72c49e585ffab56830d607a935ed408b288
Author: Cosimo Cecchi <cosimoc gnome org>
Date:   Sat Nov 24 14:00:12 2012 -0500

    gtk2: don't forget to chain up if not overriding style
    
    This fixes some rendering corruptions in Opera when used with the
    Adwaita GTK2 theme.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=688725

 themes/Adwaita/gtk-2.0/adwaita_engine.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)
---
diff --git a/themes/Adwaita/gtk-2.0/adwaita_engine.c b/themes/Adwaita/gtk-2.0/adwaita_engine.c
index 6b102c1..5cec5f8 100644
--- a/themes/Adwaita/gtk-2.0/adwaita_engine.c
+++ b/themes/Adwaita/gtk-2.0/adwaita_engine.c
@@ -123,6 +123,12 @@ adwaita_draw_box (GtkStyle * style,
       cairo_destroy (cr);
       cairo_pattern_destroy (pattern);
     }
+  else
+    {
+      GTK_STYLE_CLASS (adwaita_style_parent_class)->draw_box (style, window, state_type, shadow_type,
+                                                              area, widget, detail,
+                                                              x, y, width, height);
+    }
 }
 
 static void