Switch two connects to Qt5 style.

src/modules/netinstall/NetInstallPage.cpp

@@ -150,7 +150,7 @@ void NetInstallPage::loadGroupList()
             "groupsUrl" ).toString() );
 
     KIO::Job* getJob = KIO::storedGet( confUrl, KIO::Reload, KIO::Overwrite | KIO::HideProgressInfo );
-    connect ( getJob, SIGNAL(  result( KJob* ) ), this, SLOT( dataIsHere( KJob* ) ) );
+    connect ( getJob, &KIO::Job::result, this, &NetInstallPage::dataIsHere );
 }
 
 void NetInstallPage::onActivate()

src/modules/netinstall/widgets/groupselectionwidget.cpp

@@ -26,7 +26,7 @@ GroupSelectionWidget::GroupSelectionWidget( QString name, QString description, Q
 {
     ui.setupUi( this );
 
-    connect( ui.group, SIGNAL( toggled( bool ) ), this, SLOT( toggleGroup( bool ) ) );
+    connect( ui.group, &QCheckBox::toggled, this, &GroupSelectionWidget::toggleGroup );
 
     ui.group->setText( name );
     ui.description->setText( description );