Handle only 1 room in the list

src/components/structures/MatrixChat.js

@@ -570,7 +570,10 @@ module.exports = React.createClass({
         const allRooms = RoomListSorter.mostRecentActivityFirst(
             MatrixClientPeg.get().getRooms(),
         );
-        if (allRooms.length === 0) {
+        // If there are 0 rooms or 1 room, view the home page because otherwise
+        // if there are 0, we end up trying to index into an empty array, and
+        // if there is 1, we end up viewing the same room.
+        if (allRooms.length < 2) {
             dis.dispatch({
                 action: 'view_home_page',
             });