Avoid global var leakage

Author: tiff

src/dom/parse.js

@@ -110,9 +110,10 @@ wysihtml5.dom.parse = (function() {
  var oldNodeType = oldNode.nodeType,
  oldChilds = oldNode.childNodes,
  oldChildsLength = oldChilds.length,
- newNode,
  method = NODE_TYPE_MAPPING[oldNodeType],
- i = 0;
+ i = 0,
+ newNode,
+ newChild;
 
  newNode = method && method(oldNode);