Fix for quantile generation bug. The problem was that feature cursor was not reset in select method of ogr provider

git-svn-id: http://svn.osgeo.org/qgis/trunk@9488 c8812cc2-4d05-0410-92ff-de0c093fc19c

src/providers/ogr/qgsogrprovider.cpp

@@ -361,6 +361,9 @@ void QgsOgrProvider::select( QgsAttributeList fetchAttributes, QgsRect rect, boo
     OGR_L_SetSpatialFilter( ogrLayer, filter );
     OGR_G_DestroyGeometry( filter );
   }
+
+  //start with first feature
+  OGR_L_ResetReading( ogrLayer );
 }