[gimp] app: set has-window to TRUE in gimp_overlay_box_init()

[Michael Natterer <mitch src gnome org>]

commit ffd6248a5e307033967fbd03c153114cb6e3a959
Author: Michael Natterer <mitch gimp org>
Date:   Mon Mar 1 23:18:06 2010 +0100

    app: set has-window to TRUE in gimp_overlay_box_init()
    
    Makes prelight work, and *should* fix tooltips, but doesn't...

 app/widgets/gimpoverlaybox.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/app/widgets/gimpoverlaybox.c b/app/widgets/gimpoverlaybox.c
index d10ddd8..b9fa00d 100644
--- a/app/widgets/gimpoverlaybox.c
+++ b/app/widgets/gimpoverlaybox.c
@@ -102,6 +102,7 @@ gimp_overlay_box_class_init (GimpOverlayBoxClass *klass)
 static void
 gimp_overlay_box_init (GimpOverlayBox *box)
 {
+  gtk_widget_set_has_window (GTK_WIDGET (box), TRUE);
 }
 
 static void