Switch to side-by-side view

--- a/src/qtgui/uiprefs.ui
+++ b/src/qtgui/uiprefs.ui
@@ -356,7 +356,7 @@
                     </widget>
                     <widget class="QWidget">
                         <property name="name">
-                            <cstring>tab</cstring>
+                            <cstring>tab1</cstring>
                         </property>
                         <attribute name="title">
                             <string>Search parameters</string>