Qt: extensioninfo dialog: remove unused member

(cherry picked from commit 8290233b)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/dialogs/plugins.cpp

@@ -187,8 +187,8 @@ bool PluginTreeItem::operator< ( const QTreeWidgetItem & other ) const
 }
 
 /* Extensions tab */
-ExtensionTab::ExtensionTab( intf_thread_t *p_intf )
-        : QVLCFrame( p_intf )
+ExtensionTab::ExtensionTab( intf_thread_t *p_intf_ )
+        : QVLCFrame( p_intf_ )
 {
     // Layout
     QVBoxLayout *layout = new QVBoxLayout( this );
@@ -489,8 +489,7 @@ QSize ExtensionItemDelegate::sizeHint( const QStyleOptionViewItem &option,
 ExtensionInfoDialog::ExtensionInfoDialog( const ExtensionCopy& extension,
                                           intf_thread_t *p_intf,
                                           QWidget *parent )
-       : QVLCDialog( parent, p_intf ),
-         extension( new ExtensionCopy( extension ) )
+       : QVLCDialog( parent, p_intf )
 {
     // Let's be a modal dialog
     setWindowModality( Qt::WindowModal );
@@ -578,11 +577,6 @@ ExtensionInfoDialog::ExtensionInfoDialog( const ExtensionCopy& extension,
     setMinimumSize( 450, 350 );
 }
 
-ExtensionInfoDialog::~ExtensionInfoDialog()
-{
-    delete extension;
-}
-
 static QPixmap *loadPixmapFromData( char *data, int size )
 {
     if( !data || size <= 0 )

modules/gui/qt4/dialogs/plugins.hpp

@@ -162,10 +162,6 @@ class ExtensionInfoDialog : public QVLCDialog
 public:
     ExtensionInfoDialog( const ExtensionCopy& extension,
                          intf_thread_t *p_intf, QWidget *parent );
-    virtual ~ExtensionInfoDialog();
-
-private:
-    ExtensionCopy *extension;
 };
 
 #endif