Qt4Project: updateFileList after adding files via the new file wizard

Task-Nr: QTCREATORBUG-4976
Change-Id: I6d200a0b223e5a9aa601acbe6dbe064a5414b7dc
Reviewed-on: http://codereview.qt.nokia.com/118
Reviewed-by: Daniel Teske <daniel.teske@nokia.com>

src/plugins/qt4projectmanager/qt4project.cpp

@@ -1045,6 +1045,7 @@ void Qt4Project::notifyChanged(const QString &name)
             QtSupport::ProFileCacheManager::instance()->discardFile(name);
             node->update();
         }
+        updateFileList();
     }
 }