qt4 preferences: combo is mandatory in StringListConfigControl constructor

diff --git a/modules/gui/qt4/components/preferences_widgets.hpp b/modules/gui/qt4/components/preferences_widgets.hpp
index b63ff9343fa5a7ac9fc0a8e0d23e90887f92b807..836e66f7bca226beaadb742da0b28925db01ff7a 100644 (file)
--- a/modules/gui/qt4/components/preferences_widgets.hpp
+++ b/modules/gui/qt4/components/preferences_widgets.hpp
@@ -367,8 +367,8 @@ public:
                              QComboBox*, bool );
     virtual ~StringListConfigControl() {};
     virtual QString getValue();
-    virtual void hide() { if( combo ) combo->hide(); if( label ) label->hide(); }
-    virtual void show() { if( combo ) combo->show(); if( label ) label->show(); }
+    virtual void hide() { combo->hide(); if( label ) label->hide(); }
+    virtual void show() { combo->show(); if( label ) label->show(); }
 private:
     void finish( bool );
     QLabel *label;