set autoPeekDone on finally

src/components/structures/RoomView.js

@@ -119,10 +119,6 @@ module.exports = React.createClass({
             if (this.props.autoPeek) {
                 console.log("Attempting to peek into room %s", this.props.roomId);
                 MatrixClientPeg.get().peekInRoom(this.props.roomId).done(() => {
-                    this.setState({
-                        autoPeekDone: true
-                    });
-
                     // we don't need to do anything - JS SDK will emit Room events
                     // which will update the UI. We *do* however need to know if we
                     // can join the room so we can fiddle with the UI appropriately.
@@ -130,6 +126,10 @@ module.exports = React.createClass({
                     // ...XXX: or do we? can't we just do them onNewRoom?
                 }, function(err) {
                     console.error("Failed to peek into room: %s", err);
+                }).finally((() => {
+                    this.setState({
+                        autoPeekDone: true
+                    });
                 });
             }
         }