Qt: qmenuview: fix macro usage

(cherry picked from commit 2d2c0ffaa99f2146c643e50aa1c82fdaa8a7adad)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/util/qmenuview.hpp

@@ -29,7 +29,7 @@
 
 class QMenuView : public QMenu
 {
-    Q_OBJECT;
+    Q_OBJECT
 
 public:
     QMenuView( QWidget * parent = 0, int iMaxVisibleCount = 0 );