Fix for ticket #499 (What's this missing from main window).

git-svn-id: http://svn.osgeo.org/qgis/trunk@7382 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: g_j_m

src/app/qgisapp.cpp

@@ -962,6 +962,7 @@ void QgisApp::createToolBars()
   mHelpToolBar->setIconSize(QSize(24,24));
   mHelpToolBar->setObjectName("Help");
   mHelpToolBar->addAction(mActionHelpContents);
+  mHelpToolBar->addAction(QWhatsThis::createAction());
   //
   // Digitizing Toolbar
   mDigitizeToolBar = addToolBar(tr("Digitizing"));