Fix gcc compiler warnings

src/plugins/qmldesigner/components/stateseditor/stateseditorview.cpp

@@ -391,7 +391,7 @@ void StatesEditorView::otherPropertyChanged(const QmlObjectNode &qmlObjectNode,
 }
 
 
-void StatesEditorView::customNotification(const AbstractView *view, const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data)
+void StatesEditorView::customNotification(const AbstractView * /*view*/, const QString & /*identifier*/, const QList<ModelNode> & /*nodeList*/, const QList<QVariant> & /*data*/)
 {
     if (debug)
         qDebug() << __FUNCTION__;

src/plugins/qt4projectmanager/qt-maemo/maemorunfactories.cpp

@@ -111,7 +111,7 @@ QStringList MaemoRunConfigurationFactory::availableCreationIds(Target *parent) c
     return QStringList();
 }
 
-QString MaemoRunConfigurationFactory::displayNameForId(const QString &id) const
+QString MaemoRunConfigurationFactory::displayNameForId(const QString & /*id*/) const
 {
     return tr("New Maemo Run Configuration");
 }