[gtk+] docs: Fix up the RadioButton example in the description

[Emmanuele Bassi <ebassi src gnome org>]

commit 78107b1a7d022a1282b5becd7c23e11d6ab02844
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Mon Aug 20 11:02:37 2012 +0100

    docs: Fix up the RadioButton example in the description

 gtk/gtkradiobutton.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkradiobutton.c b/gtk/gtkradiobutton.c
index ec6c2c6..82ab28c 100644
--- a/gtk/gtkradiobutton.c
+++ b/gtk/gtkradiobutton.c
@@ -75,7 +75,8 @@
  *
  *    GtkWidget *window, *radio1, *radio2, *box, *entry;
  *    window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
- *    box = gtk_box_new (GTK_ORIENTATION_VERTICAL, TRUE, 2);
+ *    box = gtk_box_new (GTK_ORIENTATION_VERTICAL, 2);
+ *    gtk_box_set_homogeneous (GTK_BOX (box), TRUE);
  *
  *    /&ast; Create a radio button with a GtkEntry widget &ast;/
  *    radio1 = gtk_radio_button_new (NULL);