fix link error

git-svn-id: http://svn.osgeo.org/qgis/trunk@11003 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/plugins/evis/databaseconnection/evisdatabaseconnectiongui.h

@@ -73,7 +73,7 @@ private slots:
     void drawNewVectorLayer( QString, QString, QString );
 
     void on_buttonBox_accepted( );
-    void on_buttonBox_helpRequested( );
+    void on_buttonBox_helpRequested( ) { /* TODO: implement me */ };
 
     void on_cboxDatabaseType_currentIndexChanged( int );
     void on_cboxPredefinedQueryList_currentIndexChanged( int );