use Core::Id for IEditorFactory::id

Change-Id: Iefd67a0461d9016b8ba0f3371df7ec6d42e188c5
Reviewed-on: http://codereview.qt-project.org/4321
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/bazaar/bazaarplugin.cpp

@@ -573,7 +573,7 @@ void BazaarPlugin::showCommitWidget(const QList<VCSBase::VCSBaseClient::StatusIt
     }
 
     Core::IEditor *editor = m_core->editorManager()->openEditor(m_changeLog->fileName(),
-                                                                QLatin1String(Constants::COMMIT_ID),
+                                                                Constants::COMMIT_ID,
                                                                 Core::EditorManager::ModeSwitch);
     if (!editor) {
         outputWindow->appendError(tr("Unable to create an editor for the commit."));