Merge pull request facebook#1661 from spicyj/test-ie10-select-multiple

Fix select switching to multiple in IE

Author: kmeht

src/browser/ui/dom/components/ReactDOMSelect.js

@@ -141,9 +141,11 @@ var ReactDOMSelect = ReactCompositeComponent.createClass({
  updateOptions(this, LinkedValueUtils.getValue(this));
  },
 
- componentDidUpdate: function() {
+ componentDidUpdate: function(prevProps) {
  var value = LinkedValueUtils.getValue(this);
- if (value != null) {
+ var prevMultiple = !!prevProps.multiple;
+ var multiple = !!this.props.multiple;
+ if (value != null || prevMultiple !== multiple) {
  updateOptions(this, value);
  }
  },