set default button

Change-Id: I3662ef26c96525480812f25706e6324ceca3e153

cui/uiconfig/ui/movemenu.ui

 <?xml version="1.0" encoding="UTF-8"?>
-<!-- Generated with glade 3.18.3 -->
+<!-- Generated with glade 3.16.1 -->
 <interface>
   <requires lib="gtk+" version="3.0"/>
-  <requires lib="LibreOffice" version="1.0"/>
+  <!-- interface-requires LibreOffice 1.0 -->
   <object class="GtkImage" id="image1">
     <property name="visible">True</property>
     <property name="can_focus">False</property>
@@ -32,6 +32,8 @@
                 <property name="label">gtk-ok</property>
                 <property name="visible">True</property>
                 <property name="can_focus">True</property>
+                <property name="can_default">True</property>
+                <property name="has_default">True</property>
                 <property name="receives_default">True</property>
                 <property name="use_stock">True</property>
               </object>