fix vector grid

git-svn-id: http://svn.osgeo.org/qgis/trunk@13105 c8812cc2-4d05-0410-92ff-de0c093fc19c

Author: jef

python/plugins/fTools/tools/doVectorGrid.py

@@ -103,7 +103,7 @@ def accept(self):
             self.progressBar.setValue( 0 )
 
     def compute( self, bound, xOffset, yOffset, polygon ):
-        crs = self.canvas.mapRenderer().destinationSrs()
+        crs = self.iface.mapCanvas().mapRenderer().destinationSrs()
         if not crs.isValid(): crs = None
         if polygon:
             fields = {0:QgsField("ID", QVariant.Int), 1:QgsField("XMIN", QVariant.Double), 2:QgsField("XMAX", QVariant.Double),