[gtk/matthiasc/for-master] Fix a leftover occurrence of ::expand

[Matthias Clasen <matthiasc src gnome org>]

commit 90376d6d6e69577e29e04074908bc6e6f4208f1a
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Feb 26 19:31:25 2020 -0500

    Fix a leftover occurrence of ::expand

 gtk/inspector/css-node-tree.ui | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/gtk/inspector/css-node-tree.ui b/gtk/inspector/css-node-tree.ui
index 7c311f3d62..38019d7695 100644
--- a/gtk/inspector/css-node-tree.ui
+++ b/gtk/inspector/css-node-tree.ui
@@ -90,7 +90,8 @@
             <property name="orientation">vertical</property>
             <child>
               <object class="GtkScrolledWindow">
-                <property name="expand">1</property>
+                <property name="hexpand">1</property>
+                <property name="vexpand">1</property>
                 <property name="min-content-height">100</property>
                 <child>
                   <object class="GtkTreeView" id="prop_tree">