[gtk+] Make gtk4-icon-browser work

[Matthias Clasen <matthiasc src gnome org>]

commit 2cb975ea7793752ab696ed02fb10fa75177c99d8
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 14 09:55:55 2016 -0500

    Make gtk4-icon-browser work
    
    It was using no-longer-existing widgets and properties.

 demos/icon-browser/window.ui |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/demos/icon-browser/window.ui b/demos/icon-browser/window.ui
index c845d1d..609a8f2 100644
--- a/demos/icon-browser/window.ui
+++ b/demos/icon-browser/window.ui
@@ -72,8 +72,9 @@
           </object>
         </child>
         <child>
-          <object class="GtkVSeparator">
+          <object class="GtkSeparator">
             <property name="visible">True</property>
+            <property name="orientation">vertical</property>
           </object>
         </child>
         <child>
@@ -110,7 +111,6 @@
                         <property name="xpad">10</property>
                         <property name="ypad">10</property>
                         <property name="stock-size">5</property>
-                        <property name="follow-state">True</property>
                       </object>
                     </child>
                     <child>