[gtk/child-props-followup: 2/3] print dialog: Rewrite example

[Matthias Clasen <matthiasc src gnome org>]

commit 5c8a8705104dbb59d3ab73c6184c2ce6179e6818
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Apr 5 18:38:00 2019 +0000

    print dialog: Rewrite example
    
    The ui file example was still using GTK3 syntax
    for GtkNotebooks.

 gtk/gtkprintunixdialog.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)
---
diff --git a/gtk/gtkprintunixdialog.c b/gtk/gtkprintunixdialog.c
index 7f4dacc512..267b3dbe5a 100644
--- a/gtk/gtkprintunixdialog.c
+++ b/gtk/gtkprintunixdialog.c
@@ -93,18 +93,20 @@
  *   <child internal-child="notebook">
  *     <object class="GtkNotebook" id="notebook">
  *       <child>
- *         <object class="GtkLabel" id="tabcontent">
- *         <property name="label">Content on notebook tab</property>
- *         </object>
- *       </child>
- *       <child type="tab">
- *         <object class="GtkLabel" id="tablabel">
- *           <property name="label">Tab label</property>
- *         </object>
- *         <packing>
+ *         <object type="GtkNotebookPage">
  *           <property name="tab_expand">False</property>
  *           <property name="tab_fill">False</property>
- *         </packing>
+ *           <property name="tab">
+ *             <object class="GtkLabel" id="tablabel">
+ *               <property name="label">Tab label</property>
+ *             </object>
+ *           </property>
+ *           <property name="child">
+ *             <object class="GtkLabel" id="tabcontent">
+ *               <property name="label">Content on notebook tab</property>
+ *             </object>
+ *           </property>
+ *         </object>
  *       </child>
  *     </object>
  *   </child>