Switch to side-by-side view

--- a/src/qtgui/uiprefs.ui
+++ b/src/qtgui/uiprefs.ui
@@ -8,8 +8,8 @@
         <rect>
             <x>0</x>
             <y>0</y>
-            <width>533</width>
-            <height>372</height>
+            <width>0</width>
+            <height>0</height>
         </rect>
     </property>
     <property name="caption">