Found another one! Sneaky bastard...

diff --git a/modules/gui/qt4/ui/sprefs_video.ui b/modules/gui/qt4/ui/sprefs_video.ui
index 67033b1364ce15faae974e63048dc8999ceae656..211f903a27116c353b13f6ff6fd02c0c52f8e0e9 100644 (file)
--- a/modules/gui/qt4/ui/sprefs_video.ui
+++ b/modules/gui/qt4/ui/sprefs_video.ui
@@ -87,9 +87,6 @@
         <property name="checked" >
          <bool>true</bool>
         </property>
-        <property name="tristate" >
-         <bool>true</bool>
-        </property>
        </widget>
       </item>
       <item row="2" column="0" colspan="2" >