Qt: do not block the video preview to a very small size in the playlist

modules/gui/qt4/components/interface_widgets.cpp

@@ -511,11 +511,9 @@ CoverArtLabel::CoverArtLabel( QWidget *parent, intf_thread_t *_p_i )
 
     setMinimumHeight( 128 );
     setMinimumWidth( 128 );
-    setMaximumHeight( 128 );
     setScaledContents( false );
     setAlignment( Qt::AlignCenter );
 
-    QList< QAction* > artActions = actions();
     QAction *action = new QAction( qtr( "Download cover art" ), this );
     CONNECT( action, triggered(), this, askForUpdate() );
     addAction( action );

modules/gui/qt4/components/playlist/playlist.cpp

@@ -69,7 +69,7 @@ PlaylistWidget::PlaylistWidget( intf_thread_t *_p_i, QWidget *_par )
     /* Create a Container for the Art Label
        in order to have a beautiful resizing for the selector above it */
     artContainer = new QStackedWidget;
-    artContainer->setMaximumHeight( 128 );
+    artContainer->setMaximumHeight( 256 );
 
     /* Art label */
     CoverArtLabel *art = new CoverArtLabel( artContainer, p_intf );