fixed global leak

Author: sokra

lib/Compilation.js

@@ -543,7 +543,7 @@ Compilation.prototype.createChunkAssets = function createChunkAssets() {
 	var filename = outputOptions.filename || "bundle.js";
 	var chunkFilename = outputOptions.chunkFilename || "[id]." + filename.replace(Template.REGEXP_NAME, "");
 	var namedChunkFilename = outputOptions.namedChunkFilename || null;
-	for(i = 0; i < this.modules.length; i++) {
+	for(var i = 0; i < this.modules.length; i++) {
 		var module = this.modules[i];
 		if(module.assets) {
 			Object.keys(module.assets).forEach(function(name) {
@@ -553,8 +553,8 @@ Compilation.prototype.createChunkAssets = function createChunkAssets() {
 			}, this);
 		}
 	}
-	for(i = 0; i < this.chunks.length; i++) {
-		chunk = this.chunks[i];
+	for(var i = 0; i < this.chunks.length; i++) {
+		var chunk = this.chunks[i];
 		chunk.files = [];
 		var chunkHash = chunk.hash;
 		var source;