From 47927039a011d5cd57704bb08f64f02eca166a82 Mon Sep 17 00:00:00 2001
From: Robert Konigsberg <konigsberg@google.com>
Date: Wed, 21 Dec 2011 13:45:22 -0500
Subject: [PATCH] Add var declaration to prevent breaking stacked graphs.

---
 dygraph-canvas.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dygraph-canvas.js b/dygraph-canvas.js
index 77d8cc4..b184717 100644
--- a/dygraph-canvas.js
+++ b/dygraph-canvas.js
@@ -743,7 +743,7 @@ DygraphCanvasRenderer.prototype._renderLineChart = function() {
           }
           var newYs;
           if (stackedGraph) {
-            lastY = baseline[point.canvasx];
+            var lastY = baseline[point.canvasx];
             if (lastY === undefined) lastY = axisY;
             baseline[point.canvasx] = point.canvasy;
             newYs = [ point.canvasy, lastY ];
-- 
2.7.4