fix flow drawing in geo layout
diff --git a/web/ons-demo/js/globals.js b/web/ons-demo/js/globals.js
index 7681957..2063ba5 100644
--- a/web/ons-demo/js/globals.js
+++ b/web/ons-demo/js/globals.js
@@ -43,4 +43,15 @@
/***************************************************************************************************
a mapping from controller name to color used for color coding the topology and ONOS nodes views
***************************************************************************************************/
-var controllerColorMap = {};
\ No newline at end of file
+var controllerColorMap = {};
+
+/***************************************************************************************************
+defined by rings.js or map.js this is where the flows are drawn.
+***************************************************************************************************/
+var flowLayer;
+
+/***************************************************************************************************
+hack to make the old ring drawing code compatible with the shared flow drawing code
+will be obsoleted once the ring drawing code is disposed of
+***************************************************************************************************/
+var drawingRings;
\ No newline at end of file