Add a progress bar on save file action

git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@3519 bfdf4180-ca20-0410-9c96-a3a8aa849046

sources/qetdiagrameditor.h

@@ -210,6 +210,7 @@ class QETDiagramEditor : public QETMainWindow {
 	QAction *close_file;			   ///< Close current project file
 	QAction *save_file;				   ///< Save current project
 	QAction *save_file_as;			   ///< Save current project as a specific file
+	QProgressBar *progressBar;
 
 	private:
 	QMdiArea workspace;