Added patch by Arun for builder.js

Author: Klaus Krapfenbauer

src/services/builder.js

@@ -118,6 +118,11 @@ angular.module('schemaForm').provider('sfBuilder', ['sfPathProvider', function(s
  var children = args.fieldFrag.children || args.fieldFrag.childNodes;
  for (var i = 0; i < children.length; i++) {
  var child = children[i];
+
+ if('getAttribute' in child === false) {
+ continue;
+ }
+
  var ngIf = child.getAttribute('ng-if');
  child.setAttribute(
  'ng-if',