fix runtime warning

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@12718 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

src/app/qgsabout.cpp

@@ -310,11 +310,6 @@ void QgsAbout::setPluginInfo()
   txtProviders->setText( myString );
 }
 
-void QgsAbout::on_buttonCancel_clicked()
-{
-  reject();
-}
-
 void QgsAbout::on_btnQgisUser_clicked()
 {
   // find a browser

src/app/qgsabout.h

@@ -36,7 +36,6 @@ class QgsAbout : public QDialog, private Ui::QgsAbout
     void openUrl( QString url );
 
   private slots:
-    void on_buttonCancel_clicked();
     void on_btnQgisUser_clicked();
     void on_btnQgisHome_clicked();
 };