Switch to side-by-side view

--- a/src/qtgui/advsearch.ui
+++ b/src/qtgui/advsearch.ui
@@ -399,6 +399,13 @@
        </property>
       </widget>
      </item>
+     <item row="0" column="1">
+      <widget class="QCheckBox" name="direxclCB">
+       <property name="text">
+        <string>Invert</string>
+       </property>
+      </widget>
+     </item>
     </layout>
    </item>
    <item>