Qt: epg dialog: fix base class hidden method

(cherry picked from commit c86cbfb9b1ebd6af37d47b47d8d982e5df989fca)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/gui/qt4/dialogs/epg.cpp

@@ -73,7 +73,7 @@ EpgDialog::EpgDialog( intf_thread_t *_p_intf ): QVLCFrame( _p_intf )
     layout->addWidget( epg, 10 );
     layout->addWidget( descBox );
 
-    CONNECT( epg, itemSelectionChanged( EPGItem *), this, showEvent( EPGItem *) );
+    CONNECT( epg, itemSelectionChanged( EPGItem *), this, displayEvent( EPGItem *) );
     CONNECT( THEMIM->getIM(), epgChanged(), this, updateInfos() );
     CONNECT( THEMIM, inputChanged( input_thread_t * ), this, updateInfos() );
 
@@ -104,7 +104,7 @@ EpgDialog::~EpgDialog()
     writeSettings( "EPGDialog" );
 }
 
-void EpgDialog::showEvent( EPGItem *epgItem )
+void EpgDialog::displayEvent( EPGItem *epgItem )
 {
     if( !epgItem ) return;
 

modules/gui/qt4/dialogs/epg.hpp

@@ -48,7 +48,7 @@ private:
     friend class    Singleton<EpgDialog>;
 
 private slots:
-    void showEvent( EPGItem * );
+    void displayEvent( EPGItem * );
     void updateInfos();
 };