fixed bug introduced by #2248

Author: mojoaxel

examples/network/nodeStyles/HTMLInNodes.html

@@ -29,7 +29,7 @@
         var LENGTH_SUB = 50;
 
 
-        var data = '<svg xmlns="http://www.w3.org/2000/svg" width="390" height="65">' +
+        var svg = '<svg xmlns="http://www.w3.org/2000/svg" width="390" height="65">' +
             '<rect x="0" y="0" width="100%" height="100%" fill="#7890A7" stroke-width="20" stroke="#ffffff" ></rect>' +
             '<foreignObject x="15" y="10" width="100%" height="100%">' +
             '<div xmlns="http://www.w3.org/1999/xhtml" style="font-size:40px">' +