stop animations when destroying a chart

otherwise the animation keeps updating the chart for some time after it
was supposed to be destroyed, and when the canvas might have been
already reused for a new chart

diff --git a/src/Chart.Core.js b/src/Chart.Core.js
index 296844ea2ecc5f863ce894bd66d900ddb2ecc810..83bfdfb32cdc1a6d296363b3a2a0fd3f4c5f4c50 100755 (executable)
--- a/src/Chart.Core.js
+++ b/src/Chart.Core.js
@@ -952,6 +952,7 @@
                        return template(this.options.legendTemplate,this);
                },
                destroy : function(){
+                       this.stop();
                        this.clear();
                        unbindEvents(this, this.events);
                        var canvas = this.chart.canvas;